Blue Balls 1 – Introducing Tiffany (mf, exhibitionist, school, masturbation, incest, young)

Summary – Tiffany plays a naughty trick on her older brother.

Note – This is a work of fiction, make-believe and sexual fantasy. It is not based on real people or actual events. You must be 18 or over to read these stories. The author does not condone any sexual activity among persons under 18 in real life. In real life, incestuous relationships, particularly when an under-aged person is involved with a parent or adult, often causes deep psychological damage. This story is provided for entertainment purposes only. The author does not condone any sexual activity with persons under 18 in real life. It is OK to have fantasies, but turning a fantasy into reality can destroy lives. Don’t be a dick with other people’s lives!

Tiffany Thompson was grinning deviously as she walked home from school Friday afternoon. She loved the feeling of her braless titties jiggling as she bounced along the sidewalk. It was beautiful summer day, and when the wind blew, she could feel the soft breeze blow up her skirt, cooling her warm pussy by letting the cool air hit the wet spot on her panties.

She was very happy and excited today. She had thought of a new, naughty trick to play on her older brother Theo. He was a year and a half older than her and took sadistic pleasure in teasing her. Now that she was older and wiser, it would be his turn to be teased! She was so going to pay him back for all those past years of torture! All the tickling, the tricks, embarrassing her in front of her friends, pulling down her pants, lifting up her skirts, and lying to get her in trouble with their mom and dad!

‘Payback time,’ the teenager said to herself as she skipped along, feeling her pussy tingling.

What was the new, naughty trick? Well, some people said she wasn’t too bright, but she thought she had come up with a brilliant idea. The thought came to her just today, during the last day of her school’s advanced mandatory biology classes. This was not the birds-and-the-bees education she had received years ago. This was new. It was graphic and, it was exciting.

The school believed it was a needed educational experience for the older students. Tiffany learned a lot – especially today! Today, they got to watch a very graphic ‘Teenage Sexual Awakenings’ movie for nearly the entire class period! It was great!

First, the boys and girls were separated by gender and sent to different rooms; The girls were ushered into Miss Mallory’s room, and the boys went to Mr. Taylor’s room (Tiffany was happy because Miss Mallory was her home room teacher. She got to sit at her own desk, right up front). The inquisitive boys and girls were then told that would be watching a video about sex; one made especially for the girls, and one for the boys.

Tiffany wasn’t the smartest girl, but she was very inquisitive. She loved learning about her body and how all of her sexual organs functioned (though she wished she could watch the boy’s movie too!). Her mom and dad didn’t like to talk to her about sex, so this special week was the first time she was thoroughly educated on the subject of sexual intercourse, and of course, why all teenage boys and girls should use condoms, or avoid intercourse altogether.

Now that Tiffany’s breasts were nearly fully developed, her body was taller and rounder, and her pussy was always tingling and itchy, the movie made here realize she was a woman now.

The video was great and even got a little dirty too! Everyone in class had heard about the ‘progressive sexual educational’ video they were going to see this week. They had discussed it over lunch, whispered about it during sleepovers, and she couldn’t wait to finally see it. The movie taught Tiffany and her class all about the female anatomy in graphic detail, with close up drawings and even pictures! They learned more about sex and specifically about the various stages of a woman’s sexual arousal; how a girl’s nipples stiffen and her vulva, vagina and clitoris would swell with blood, signaling arousal and aiding in the lubrication of her vaginal cavity – all in preparation for penetration, insemination, and impregnation.

To everyone’s surprise, the narrator also listed all the other names for a woman’s breasts, such as ‘jugs’, ‘knockers’, ‘tits’, and ‘titties!’ (Some of them she already knew…) They also mentioned various names for a woman’s genitalia, such as ‘pussy’, ‘muff’, ‘twat’, and even the super-dirty ‘C’ word – ‘cunt’!

Tiffany also learned a lot more about boys and their penises, though not nearly enough to satisfy her curiosity. She had never seen an actual penis before; her father and brother made sure of that, but the movie first showed a cartoon image of the male genital. It was forever imprinted on her brain. She was fascinated by the drawing of a naked man, arms and legs spread, his scrotum and penis barely visible to her inquisitive eyes. She stared at that particular part of the drawing intently, trying to discern details, while wishing the image was larger, so she could see them better. Then suddenly, her wish was granted, and the focus her desires suddenly grew and enlarged until it filled the entire screen! The narration continued and Tiffany listened to the speaker discuss the male sexual organ. As he spoke about the male’s arousal, the cartoon image of the penis grew larger. Wow!

She vividly remembered the red arrows, representing blood, surging from all parts of the cartoon, and flowing right to the penis! It got bigger, and bigger and harder and harder, until it was sticking straight out – it looked angry and almost frightening. The video discussed how a male’s erection aided penetration, how sperm was made in a man’s testicles, and forcibly ejected from the penis, to impregnate the woman during intercourse.

To her absolute wonderment and surprise, the carton image was replaced by pictures of actual cocks! Some soft, and some hard! It was difficult to discern how big they were, but some looked very large! She was disappointed there were no images of ejaculation or intercourse. She really wanted to know how much semen a boy could ejaculate. She and her fellow students also heard all of the words for a boy’s genitalia that day too; such as ‘cock’, ‘dick’, ‘schlong’, ‘pecker’, ‘balls’, ‘nuts’ and even words for the male ‘ejaculate’, like ‘baby-juice’, ‘cream’, ‘splooge’ and ‘cum.’ However, the movie focused on the use of condoms to prevent conception and did not discuss other sexual options, such as masturbation or oral sex, subjects Tiffany knew very little about, due to her parent’s unwillingness to discuss sexual topics with her.

“Sex! Sex! Sex!” she nearly shouted as she hurried home. Her mind was flooded with the images and the words she had heard. She began to recite the dirty words as she skipped along; “Pussy, cunt, cock, sperm!” she said, and then “Pecker, balls, nuts and cum!” Her pussy was getting wetter and wetter.

Finally, she knew all there was to know about sex! She has been so stupid and immature before today! Now, she finally knew what sex was all about.

She stopped suddenly, realizing that her mom and dad had sex (at least twice, since they had two kids). She knew that not every act of intercourse resulted in a baby and she wondered how many times her parents had actually done it. She didn’t think her parents were having sex any longer, though she would like a baby sister. She would have to ask her mother about that later, she decided.

It was after the video was over that she had the idea to play a dirty trick on her brother. Her teacher, Miss Mallory, quickly turned on the lights after the video ended (glimpsing many hands being quickly pulled away from many steamy, teenage crotches). She smiled happily and walked to the front of the room, her high heels clicking on the floor and her large breasts jiggling under her tight sweater. You could actually smell the aroma of female sexual excitement in the room. The teacher noticed a few girls squeezing their legs together and rocking gently, stimulating themselves. The video had the same effect on her too, each and every year.

She turned to the class and smiled again, reveling in the shocked expressions that greeted her. The wide open eyes and opened mouths of her students let her know that another class was now totally sexually educated! She had personally picked this video, knowing it was more explicit than others. She strongly felt that ‘her’ girls had a right to know this information. She didn’t want any sexually stupid young ladies leaving her class room today, not knowing what a ‘cock’ or a ‘cunt’ was used for, or how to prevent getting knocked-up before they graduated from high-school.

“OK, girls… I mean ladies,” she said, addressing her class. “I hoped you learned something about yourselves today; the changes you have experienced, men and boys, and what your sexual organs were made for. Now, I want you to remember this; the ‘slang’ words you heard today for the male and female genitalia may have been surprising for you to hear, but, it is very important that you know how people actually refer to their body parts. Ignorance is NOT bliss! I don’t want any of you girls being ignorant when it comes to your body parts. This is what education should be about – learning new things.

“It does NOT mean you should use these words, especially with your parents, teachers or god forbid, your preacher!” Nervous giggles erupted around the room. ”‘Polite’ society typically frowns on the use of ‘dirty’ words, so we use the ‘formal’, typically Latin words, for sexual organs or bodily functions. I know it may sound silly to some of you, as they are only ‘words’, but the Anglo-Saxon terminology has been considered ‘dirty’ since there were Caesars in Rome, and the invading armies and their languages were considered vulgar and ignorant. Two words for the same thing – one dirty, one accepted. Ok, enough about ‘dirty’ words!

“Now, any questions?” she asked. “There was a lot of information provide to you today… If you have any questions, now is the time to ask. I will do my best to answer them, honesty and openly.”

Tiffany’s friend Judy Krantz, raised her hand timidly and asked. “How big can a man’s penis really get? It looked really big on the video…” Judy nervously turned to look at her friends for reassurance. They were nodding in agreement.

“The average male penis is about five inches long and 1 ½ in diameter, when fully erect.” Miss Mallory held out her hands, five inches apart, and then made a circle with her index finger and thumb, to approximate the typical male circumference. “Some will be smaller, and some will be larger; some thicker, some thinner. Just like some of you will have large breasts, and some of you will have smaller breasts. Now, some penises can get very large – eight, ten or even 12 inches or more!” Her hands moved farther apart with each iteration, causing an audible ‘gasp’ from many in the classroom. Miss Mallory then made a circle with her whole hand, to show the thickness of a male penis. “As I said, some penises can be very thin, like this (her finger and thumb illustrated the thickness of an average finger), and some very thick indeed!” She began making the circle wider and wider, “Some are thick, like this,” her fingers separated, demonstrating a thick, two inch diameter cock, “and some are even like this!” Her fingers separated even more, showing her class an imaginary penis as nearly as thick as a can of soda. She moved her hand back and forth for emphasis. The class couldn’t help imagine she was gripping a huge, fat penis, stroking it up and down. Miss Mallory licked her full lips as she pictured the hard, throbbing cock in her hand, inches from her open mouth! A soft ‘Ohhhh’ from two of the girls quickly brought her back to reality and she quickly put her hand down.

“How can our vaginas take a penis that big!” someone blurted out.

“Your vagina will stretch, believe me. When the time comes, just take it slow and easy,” Miss Mallory, rolled her eyes and winked at her pupils.

Tiffany couldn’t help herself. She had to know more about penises, and how they went from small to big, and from soft to hard. She wanted to know exactly what to do to make them hard.

“Miss Mallory?” Tiffany said timidly, raising her hand in the air, and keeping her legs tightly closed. Tiffany’s pussy was so wet, she was afraid her leaking juices had stained the front of her skirt!

“Yes, Tiffany?”

“Ah, err, uhm…,”

“Go ahead, Tiffany,” Miss Mallory prompted, “There are no stupid questions, especially today. The only stupid question is the one you don’t ask.” She looked around the room. “And, there had better not be any laughing at the questions today, or else…” She looked around the room again, focusing on a couple of known trouble makers.

“Now, what is your question, Tiffany?”

“Miss Mallory,” Tiffany said, emboldened by her teacher’s words, “What exactly makes a boy get ‘aroused?’”

“Great question, Tiffany!” Miss Mallory cleared her throat and spoke loudly, for all to hear. “Well, men and teenage boys get aroused by many things. Teenage boys are even more susceptible to erections, even getting aroused while they sleep, or for no reason at all!

“Remember, a boy’s sexual hormones are raging thru their bodies just as yours are.” She paused, looking around the classroom, noticing the rapt attention from her young students. “My mother used to say that her teenage brother could get a ‘boner’ just from feeling a stiff breeze blowing against the front of his shorts!” The girls tittered.

“However, just seeing the soft swell of your breasts, a hard nipples poking thru your shirt, your shapely legs and butt, or a flash of your panties, can easily cause an erection. Your naked tits, ass and pussy will likely cause an instant erection. And, you can be skinny or fat, pretty or plain, with big tits or small ones, and still cause the same reaction to any male, nearly anytime and anywhere! And, kissing you, touching your body (anywhere, it doesn’t have to be your, breasts, butt or private parts) will get definitely get a teenage boy aroused – even without you touching their penis.”

Miss Mallory cupped both of her heavy breasts and hefted them a couple times, making them bounce and jiggle. “These pretty sweater puppies have caused a lot of teenage boners, right here in this very classroom. Some of you know what I mean…“ Tiffany giggled and remembered Richard Kimball’s embarrassment last month when Miss Mallory’s entire class caught him staring at her breasts while she was helping him with a math problem. He had to run from the room with his boner making a tent in his pants!

“And, watch out girls, a boy or man with an erection will say and do most anything just to get into your panties. Sex is power, and when it comes to sex, you are in charge, or at least you should be. This gives us girls a great amount of control, if we play dumb; but stay smart, if we tease; without giving in to our own desires, if we stay calm and play our cards right… a boy with a boner is putty in our hands…, to mold, to direct, and control…”

It was amazing and exciting for Tiffany to think that she could control a boy just with sex. To think that she could make boy do whatever she wanted, just by showing off her body and giving them a boner! She realized that she had the same sexual ‘equipment’ as Miss Mallory, even if she was younger and smaller. She wanted to control someone too!

It was then she had the great idea to tease her brother. She giggled at the thought of Theo being embarrassed by getting an erection, just by looking at his little sister! She imaged what she would say to him, as her older brother tried to hide his erect penis; “What’s the matter, Teddy, do you have a ‘boner’ or something?” and “Aw, Theo, did your little sister make your ‘cock’ get hard?” She couldn’t help herself and giggled out loud, bringing a stern glance from her teacher!

“Something funny, Miss Thompson?” Miss Mallory asked.

“Uh, no, I’m sorry,” Tiffany stammered. “I was thinking about something else…” It was then she decided to definitely do it! She was going to tease Theo and make him get an erection! It was going to be so much fun!

After a few more questions, Miss Mallory said, “Ok, that is enough for today. Remember, you have an exam on human sexuality Monday!” Miss Mallory then dismissed her class for the weekend just as the final bell rang.

Tiffany soon arrived home and let herself into the empty house, then and went directly to her room. She quickly removed her blouse and bra, giving a huge sigh of relief as she freed her small breasts from the tight material. She shook her titties a bit before giving them a gentle massage. Her bra had been getting tight and uncomfortable recently. It felt so good to be home and be able to go braless once again! As she shimmied out of her short skirt, she admonished herself to remember to tell her mother that it was time for a bigger bra. Gosh, it seemed like only a little while ago her puffy little nipples were poking out from her favorite ‘My Little Pony’ tee-shirt!

She remembered how the changes to her body had caused some lewd comments from her brother, a scolding from her father, and had required an embarrassing trip to the mall with her mother for her first very first training bra. She smiled, remembering that first, small bra. She still had it in her underwear drawer somewhere – just two padded triangles meant to keep her nipples from poking thru her shirt and to keep her brother from staring at her chest. Though, from now on, she was going to give him something to stare at!

And, her breasts had really grown. At first, they were just two, puffy, swollen nipples; but now, they were lemon-sized, real, honest-to-goodness breasts. Although, nearly half of her breast was made up of her fat protruding nipple, they were getting rounder and fuller every day.

Tiffany walked to the full length mirror, wondering if she could visibly notice if her breasts had gotten any larger. She admired herself for a moment; her long blond hair cascading over her both soft shoulders and bright blue eyes peeking out from her freckled checks. Long legs, curved hips, slim waist and perky breasts. Tiffany cupped her sensitive breasts in her hands and jiggled them like she saw her teacher do. She bent over and swayed back and forth, watching her pert breasts swinging. They were still too firm to move too much, but, they still swung like a pendulum, just the same.

“They are getting bigger!” she said. “I wonder if they will get as big as mommy’s.” She turned and looked at her body. Her legs had gotten longer and she lost almost all of her baby fat. She admired her panty covered ass – it was fuller and rounder than it used to be. She was no longer a skinny bean-pole, but a well-rounded, shapely young girl. She reached on the bed and grabbed her short pants, then paused…

Normally, Tiffany would quickly change into a pair of loose shorts and large tee-shirt once she came home, but today was different. She wanted to explore her body again. She knew she had nearly an hour before her brother Theo came home, and two hours before her mother and father would arrive. She glanced at the clock, noting the amount of time she had to be alone and closed her bedroom door. She reasoned that she did not want to be surprised by anyone walking by, in case she became ‘distracted’ and lost track of time.

Admiring her ass once again, she bent over, mesmerized by her round, full cheeks and noticed how she could discern the shape of her pussy lips thru her panties. She felt so naughty! She felt her little cunny get moist for the second time today.

Still bending over and watching herself, she slowly rolled the panties off of her hips. Her glorious ass checks came into view, followed by the darkened recess of her ass crack, and finally, she was able to glimpse her hairless pussy emerging from its hiding place. She dropped her panties to the floor and wiggled her ass. She reached back and spread her ass cheeks, exposing her pink, virgin ass-hole and her moist, bald pussy. She reached down and spread her pussy lips, feeling her dampness with her finger tips, and, while staring at the mirror, glimpsing the pink wetness that had been hidden inside her little pussy. She slid her finger up and down her wet slit. “Ooooohhh,” she moaned. It felt so good to rub her pussy!

Her pussy has been craving a lot of attention lately. It seemed to be extra itchy since the advanced biology class started on Monday. Every night before bed, she had been rubbing her slit against her bed frame – the little ball on top of her foot-board seemed to just hit the right spot and gave her such nice feelings in her tiny twat and thighs.

Tiffany climbed into bed, still facing her mirror, and spread her legs wide. She had rubbed her pussy many times before, and enjoyed the tingling sensations she caused, but today she was going to rub it like a woman, excited by what she had learned in class.

Remembering her sexual anatomy lessons this week, she began to explore her young body. “This is my ‘vulva’,” she moaned, cupping her entire crotch with her hand and pressing her palm against it. “Mmmmm!”

“And, this is my ‘Mons pubis’.” She slid her hand up to her mound and rubbed it firmly. “My ‘outer vaginal lips’,” she said and she slid her finger up and down her juicing slit. “My inner lips, Ohhh!” she exclaimed, pulling her lips apart and seeing the wet pinkness in the mirror. She was getting turned on like never before.

“This is my ‘vaginal opening’,” she moaned, dipping her fingers into her virgin hole. In and out, in and out, then deeper… “Ouch!” she cried, “That must be my ‘hymen!’”

“Now for the ‘clitoris’?” she said. Her pussy was swollen with lust and leaking fresh, sweet, pussy juice. Tiffany dipped her fingers into her wetness and began to feel around, searching for her elusive clitoris. “Oooooh!,” she exclaimed. She had found her clit in its hiding place under her little hood.. She rubbed it. A shock of electricity emanated from her clit and surged into her insides. “Ooooooooooohhhhhhhhh!” she moaned, long and loud, until she ran out of breath.

Surprised, Tiffany spread her pussy lips and looked down at her swollen clit. She pushed her folds back until her clit was hard and sticking out from her pussy. ‘Just like a little penis’ she thought.

She pinched it with her fingers and flinched. It kind of hurt to pinch it! She rubbed some pussy juice from her soaking wet slit and circled her throbbing clit. “Aaaahhh! Oooohhh!” she moaned, that was better. A lot better. She did it some more. She began to breathe deeply. Her fingers danced around her slippery little clitty. Something was happening to her. She rubbed some more, a little firmer this time. Yes, something BIG was about to happen!

Tiffany fell back on the bed and spread her legs wide. Using two fingers, she dug deep into her honey pot and smeared more of her creamy essence all over her aching clit. “Mmmmm! That feels good!” She began to rub little circles around her sensitive bud. She felt that familiar something building up inside her. The feeling was similar to when she rubbed her pussy against things. She continued to work her right hand feverishly into her juicy, pubescent pussy! “Oh! It feels so good!” she exclaimed. She rubbed her pussy some more, feeling like she was about to explode! “Ooooooohhhhh,” she moaned. She felt tingling sensations in her crotch and thighs. Her left hand, all on its own it seemed, reached up and squeezed her sensitive breast, pinching her swollen, puffy nipple as the fingers on her right hand circled her slimy clit.

She came.

The explosion started deep within her and emanated throughout her body. Wave after wave rolled over her, making her pussy spasm and her toes curl. Her eyes rolled back into her head as she rubbed and rubbed her little pussy, her small body shaking. Her cunt flooded, her legs shook and she saw stars. “Oh shit, oh shit, oh shit!” she babbled as her very first major orgasm rocked her. Since she was a woman now, she cursed out loud like an adult. She squeezed her other breast hard and then dug deep with both hands onto her sensitive pussy making her clit jerk and throb.

Another, then another orgasmic wave hit her, flooding her pussy. “Ahhhh, ahhhh, ahhh, eeeeiiii!” she screamed and rolled over on her bed, pressing her legs together, and pushing her spasming pussy tightly into her blankets.

Her orgasm finally finished and she curled up naked into the fetal position, too sensitive to move. She stayed like that for a long while, catching her breath until she could finally move once again.

“Holy shit!” she said, then, she laughed out loud. “The movie said sex can make you feel good – bullshit! Sex makes you feel fantastic!”

She rolled over and sat up. She looked down at her swollen, wet, pink pussy. “You and me are going to be BFFs!” she said, talking to her imaginary pussy-friend. She wanted to rub it again, but she still too sensitive and sore. ‘Maybe at bedtime, I’ll rub you some more, BFF!’ she promised.

She looked at the clock; she still had some time before Theo would be home. She felt very naughty and, impulsively, decided to walk thru the house naked. It felt exhilarating!

First, she walked sexily into her brother’s room, strutting her nakedness. “What a pig!” she said, stepping inside. She could smell his odor from his dirty clothes lying about. She looked at his unmade bed and dirty dishes piled on his computer table. ‘He gets naked in here’ she thought to herself. ‘I wonder what his penis looks like. Would it be big or small, fat or thin?’ Feeling her pussy leaking, she snatched up the juice before it could run down her leg. Holding up her fingers and seeing her cream glisten in the light; she couldn’t help her curiosity, and first sniffed, then licked her finger. “I smell good and taste even better!” she said, proudly. Feeling very naughty, she scooped up some more pussy juice and rubbed in on her brother’s pillow! “Sweet dreams, Theo!” she giggled. She imagined Theo getting a boner in his sleep tonight, dreaming about pussy!

She quickly walked to her mom and dad’s room and stared at their big, empty bed. ‘They had sex on this bed’, she thought, then corrected herself, ‘They fucked on this bed!’ She tried to imagine what her father’s hard cock would look like – how big, fat and long would it be? She wondered how her mom and dad had sex and she wondered what her mother’s pussy looked like with her father’s hard cock inside of it. Looking at their bedside clock, and noticing the time, she quickly walked into the kitchen. She opened the refrigerator door and felt the cool air flowing onto her hot, naked body. She poured herself a glass of milk and then decided to get dressed. Theo would be home soon. She had to get ready.

Tiffany went back to her room and thought about how to dress to arouse her brother. She decided to wear only her tight, pink, panties and a small, tight, tee-shirt. She remembered him staring her chest the last time she wore the shirt. She never wore a bra after she got home. Her father once begged her mother to make her wear one, but her mother sided with Tiffany. “Society makes us wear bras all day long, but I’ll be danged if Tiffany and I are going to be uncomfortable in our own home!”

Tiffany knew why her hard nipples poking thru her t-shirt bothered her father and brother (it made her wonder if her dad ever got a boner looking at her?).

For some reason, her brother always called her by her initials when she wore a tight t-shirt without a bra; ‘T. T.’ he called her, for Tiffany Thompson. “Wait a minute,” she said aloud. “What…?”

“T. T!” she exclaimed. “Titties! He was making fun of my titties!” Theo was going to pay dearly for that!

He would be home any minute. Still fuming, she got dressed in her skimpy outfit. The shirt barely covered her ass. Perfect! She decided to tease him the moment he came home.

The kitchen! She would be waiting for him there, setting her trap. The garage entry door opened right into the kitchen. She would be waiting at the counter; a long peninsula where they often sat down to do their homework. But, instead of sitting down, she was going to flash her ass at him instead!

Looking at the clock, she knew he would be home any second. She got into position. She stood up and bent over, right in front of the door. She stretched until she felt cool air on her ass. Then, she then pulled her t-shirt up so even more of ass would show. She wiggled it gently back and forth, feeling her pussy getting wet again. This was going to be so much fun!

Suddenly, she heard the overhead garage door opening, then closing. She heard his footsteps! She quickly pinched her nipples to make them hard and started humming a tune, nonchalantly. She heard the door knob turning and the door opening

Theo opened the door, looked, and stopped in his tracks stunned. In front of him was his stupid, hot, little sister, bent over the counter in front of him. Her pink panties were visible and her shirt was bunched above her waist. He could see her sexy ass crack and even the camel toe of her pussy lips outlined against the tight material. She rocked her ass back and forth, slowly. He paused to enjoy the view, since his sister didn’t seem to notice his staring. He felt his cock growing in his pants. He was getting hard.

“Oh, hi, Theo!” She said, turning around and smiling. She pushed her shoulders back, making her tits and hard nipples press tightly against the thin material. He could see her nipples clearly poking thru her t-shirt. ‘Fuck! Her nipples were huge! He could even see the swell and curves of her breasts.

“Uh, hi, Tiff,” he managed to say, struggling to look her in the eyes when there were so much else to look at. “How’s T.T. today?” He grinned at his private joke.

“I’m fine, so are my ‘titties’, thanks for asking.” Still angry at being ignorant about his dirty joke for so long, she decided to go further. She gave her breasts a squeeze and said. “They get very sensitive sometimes. I guess because they are so much bigger now.”

Theo stared opened mouth, his cock lurching in his trousers. “Oh, you figured out what ‘T.T.’ meant…, look, I’m sorry!” he started to apologize again.

“It’s OK, Theo, I forgive you.” Tiffany said, and then remembered her teacher’s words ‘Play dumb, but stay smart.’

“I can be a little stupid sometimes, you know?” She stared off into space and rubbed her nipples absentmindedly, pretending to be stupid and horny. Suddenly, she turned to him, catching him licking his lips with lust, eyes wide, lecherously starting at her chest.

“Don’t you think they are growing, Theo?” Tiffany thrust out her tits at her brother, getting closer and giving him an eyeful. Her ripe, young breasts looked like they were about to burst from her shirt. Her nipples were swollen and puffy and looked like she had hard, fat pencil erasers attached to each tit.

“Uhhhh….” Theo stammered and continued to stare. Tiffany stared off into space while grinning on the inside. She nonchalantly glanced down to Theo’s crotch, as if she was absentmindedly thinking of something. He had a boner! His ‘thing’ was definitely hard. She looked at his bulging crotch, trying to discern the outline of his penis and balls without staring. She could make out his cock-head and could see the thickness of his shaft and the round fullness of his balls. He was much bigger than she thought he would be!

“Uh, yeah, you are growing up, Tiff!” Theo said, staring at her plump, young breasts. “Uh, look, I gotta go do some homework!” Theo tore his eyes from his sister’s tits and walked quickly to his room, holding his books in front of him to hide his throbbing erection.

When Tiffany heard Theo’s bedroom door slam, she burst out laughing. ‘It worked! I gave him a boner!’ she was so proud of herself and felt very sexy, powerful and horny! She sat down to watch some TV, play with her pussy a little, and wait for her mom and dad to get home.

Theo dropped his pants and underwear the moment he entered his room. ‘Shit, didn’t Tiffany know what she was doing to him?’ he thought, while kicking off his shoes and pulling off his shirt. ‘No, she was too innocent and stupid to realize what a sexy little cunt she was.’ He lay back on his bed and prepared for his daily ‘home from school’ jack-off session. He usually jerked off thinking about the hot girls at school or his mother, but since Tiffany had matured, she had begun to enter his fantasies more and more. He smeared his oozing pre-cum all over his cock head and began to stroke his shaft slowly, reliving his recent experience and thinking about his sister’s hot body. He had gotten a good, close look at his sister today. The image of her panty covered ass, camel toe, and her beautiful tits were burned into his horny, teenage mind. ‘She asked me if her tits were growing!’ he thought to himself, still not believing it. ‘She fucking played with her nipples right in front of me!’ His cock swelled and grew even harder.

As he began stroking his cock more intently, his boyish fantasies recreated their recent exchange in the kitchen, beginning with his entrance into the house, and the image of his hot, sexy sister bent over the counter, her ass showing. He imagined fucking her in that very position, but decided to save that memory for another jerk-off session. Now, in his mind, she was asking his opinion of her breasts again. “Are they getting bigger, Theo?” she asked, “Are my little titties getting bigger, big brother?” She thrust her breasts at him again.

“I can’t tell sis,” he told her in his fantasy, “maybe if you take them out and show them to me, then I’ll be able to tell!” In his fantasy, his innocent, stupid sister quickly agreed and showed him her beautiful, ripe, breasts, first, lifting up her shirt to bare her beautiful globes, then, taking her shirt off entirely, and thrusting her tits at him!

“Are they any bigger, Theo, are my titties getting bigger?” She batted her eyes at him and turned left and right. She hefted them with both hands, her nipples pointing at him.

Theo grunted as he jacked his stiff cock. His imaginary scene continued; “Maybe if I feel them, Tiff, I can compare them better.” His sister looked at him, trusting him and admiring his wisdom.

“Go ahead, brother, feel them all you want!” his sister said, smiling at him and trusting him fully. In his fantasy, he gripped her beautiful breasts, pretending to examine them. “Hmm, yes, I think they are bigger, T.T.!” He squeezed one and then the other. They were so firm, so soft and so perfect.

“Oooooo,” his sister moaned. “Do that some more, Theo, it feels so good when you play with my titties.”

Theo closed his eyes, immersing himself in his fantasy. He jacked-off a little faster, his cock slick with oozing pre-cum. “You nipples are getting bigger too, sis,” he said tweaking and then pulling on her gorgeous nipple.

“Oooo! Yes, Theo, play with my nipples!” He pulled and played with both of her fat, puffy nipples. “If you want to, Theo, if you want…, you can suck them too. Do you want to suck my titties, Theo? I…,I…, really need you to suck my titties, big brother, they have been aching for someone to suck on them! Would you suck on my titties for me, please?”

Theo jacked-off, feeling the cum churning in his ball sack. His legs twitched and he thrust his hips. He squeezed his cock-head a little tighter as he stroked, feeling the tingling sensations building. He could make himself cum at any moment! In his fantasy, he was groping and sucking his sister’s gorgeous titties. They were firm and tasted like cherry lip balm. She was moaning and groaning out his name. “Oh, Theo, suck my titties some more!” His fantasy grew as he felt his orgasm approaching.

“Theo, since I let you see my tits, will you let me see your cock?” His hard cock appeared from his pants. “Oh, it is so pretty, Theo!” she said in his fantasy. “Hey, since you are playing with my titties, can I play with your cock?” His beautify, sexy, sister Tiffany reached down to his crotch and gripped his rock hard cock. “Maybe you want to play with my little pussy too? Huh, will you please play with my little pussy while play with your cock, Theo? “

He swore he could almost smell his sister’s sweet pussy! It was obvious she was a horny little slut. He remembered her stupid, blank expression as she played with her tits in the kitchen. It wouldn’t be long before he shot his load. He could tell that it was going to be a good one!

“Can I suck your cock, Theo, please? It is so big and hard! Ohhhh,” she moaned with wanton desire. “I want to taste your cum. I bet it tastes good. Can I please? I’ll suck it every day for you, if you promise to feed me lots of your delicious cum, Theo.”

The image of his slutty sister begging for his sperm sent him over the edge. His cock swelled, his balls tightened and his prostate spasmed. His hand slid up and down his swelling cock-head. It felt bigger than ever before. His balls tingled. The feelings radiated thru his thighs. Theo’s thick, teenage cum spewed from his cock like a geyser, arching high from his piss-slit cock and landing with an audible ‘plop’ onto his naked chest.

Furiously he continued to jack his cock as his orgasm rolled over him, thinking of his sister’s perfect tits, ass and juicy pussy. He imagined fucking her and having her suck his cock, looking up at him sweetly as he sprayed his cum all over her slutty face. “Aaaah! Aaaah! Aaaah!” he grunted with each spurt of hot cum as the orgasm shook him. He blasted shot after shot of hot cum as he imaged Tiffany sucking, jerking and eating his warm splooge. “I love your cum, Theo,” she said, as his cum dripped from her lips.

The last few loads pumped from his hard cock and oozed down his shaft, dripping over his fingers and pooling in his hairy crotch. He imagined his sister licking it up. He sighed, spent and satisfied.

“Whew! That was a big one!” he exclaimed, still gently stroking himself. He knew he could still rub another orgasm out, but he decided he needed more ‘inspiration’ from Tiffany. Wiping up his still warm cum with his socks, he slipped on a t-shirt, his underwear and gym shorts and walked out to the living room, to watch his sexy sister some more.

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