Shirley Thompson sat on her bed waiting for her son to come home from the high school's graduation party. She had been so proud earlier that evening when Tim had walked up to the podium. It had been the usual graduation address with platitudes about the future. She wondered if anyone had seen her strange smile when Tim thanked all the parents for the sacrifices they had made for their children.
She didn't really think of what she had done as a sacrifice. After all it had been fun for her too.
It had started after Tim's disastrous freshman year. His grades were dreadful and he had started hanging out with the wrong crowd. It was obvious that he was never going to finish high school unless something drastic was done and quickly. Tim had been adamant in refusing to even consider summer school and loudly proclaimed that he couldn't wait until he was old enough to drop out. Clearly he needed motivation.
One night she had come home to find her son watching a sexy, but not pornographic movie. She watched for a few minutes as he rubbed his crotch through his pants, then moved quietly up behind him.
Tim almost had a heart attack when his mother reached down and took his hand off his pants. Then she had kissed his neck lightly and said, "You know, it feels a lot better when someone else does that for you."
With trembling hands she had unzipped his trousers and released his aching cock. It was a reasonable size for a fifteen year old she decided. Not a whore strangling monster, but she was sure he didn't embarrass himself in the showerroom.
Slowly she had stroked his cock while she nibbled his earlobe and kissed and sucked lightly on his neck. It only took a few minutes for the loving mother's talented hand to bring her son a massive orgasm. Shirley looked at the mass of cum on her fingers and palm and smiled at her son. "Well, either you haven't come in about a month, or you really liked that."
Tim stared at her unbelievingly. "God, yes I liked it, Mom! SHIT! I FUCKING LOVED IT!"
Shirley smiled. "Would you like it to happen again?"
"Oh yeah, Mom. I want to do it a lot."
"Okay, here's the deal. You dump your lowlife buddies, bring up your grades, and you go to summer school. You do that and I'll jack you off every Friday night. I might even get naked if your grades are high enough."
Tim had jumped at the deal and was soon turning in both good grades and good conduct reports from his counselors. But after a while he had wanted more.
Shirley knew she had to keep him interested, and yet at the same time she didn't want to give everything up to her son. So she had made their encounters a little more exciting for him over time. They had gotten through the summer with nothing but hand jobs, but halfway through the first semester of his sophomore year Shirley was stripping for her son before she jacked him off, and letting him spurt his come on her tits and face. By Christmas she was scooping his come off her body and eating it for him. At Spring Break she let him suck her tits before the hand job.
As Shirley looked at his final report card for the sophomore year she knew her efforts had not been in vain. Tim's grades were up from a bare D average to a solid B, and his class standing was up from near the bottom to the upper half. And as a reward she let him touch her pussy for the first time.
Only she did it to reward herself, not Tim. While she was sure that her son was happy to be playing with his mom's cunt, she let him do it because she was so goddamn horny it was driving her wild. She had been stripping for her son and jacking him off for almost a year, and other than some fine titty sucking (which she loved) she hadn't gotten a thing out of it. Now she was going to have him please her for a change.
She didn't tell Tim that, of course. She continued to pretend that she was only doing it for him. That this was just one of the many sacrifices she was willing to make for her beloved son.
She insisted that he go to summer school again, and they had their first fight in a year.
It had been while she was jacking him off one Friday evening, and when she mentioned that she had signed him up for summer school that was opening next week Tim exploded. "Shit, Mom, I went last year. And I got my grades up and I don't hang with my old buddies anymore, wasn't that our deal? Did you used to treat Dad like this? Is that why he left?"
Shirley was hurt. "That was mean, Timmy. You father left because he was a drunken asshole who got tired of supporting his family. And as for our deal, I agreed to do sexy thing for you if you earned them. And, honey, you did! I've been so proud of you this last year, I just love doing these things for you. But you have to earn them each week. There's no such thing as a free hand job, you know."
Tim was not convinced, however. "Mom, I like it when you play with my cock, but I'm not a kid anymore. They tell me I'm pretty good looking and there are a lot of girls who would be happy to rub me off."
His mother looked up at him and said, "You are good looking, Tim, and I'm sure you could get a hand job from a lot of your dates, but will they do this?" With that Shirley leaned forward and slid her son's stout cock into her mouth.
Tim gasped and fell back in his chair. He had never thought his mother would be a cocksucker, certainly not on his cock! It was the most powerful feeling he had ever experienced and he gave up right then. He would go to summer school for her. He would go to Hell for her if she asked.
Shirley straightened up and went back to rubbing his cock. "New deal. Same conditions for you, in exchange it's blow jobs on the weekends and hand jobs all week long. You get to suck Mommy's titties and play with her pussy any time you want, as long as we're alone, of course. Okay?"
"Do I get to cum in your mouth, Mom?"
Shirley knew she would let him, but she still had power over him and she was going to use it. "Maybe later, if you earn it."
He earned it homecoming week. Their deal had always been about academics and conduct, but when Tim scored the winning touchdown Shirley decided to reward him by sucking him all the way off. Soon her son's cum was part of her diet as he fed it to her every Friday, Saturday and Sunday night.
And of course, he played with her pussy a lot. He had become very good at fingering motherly gash and Shirley looked forward to their sex sessions as eagerly as Tim did.
Still, she was a strict mother. When Tim let his grades slip just after Christmas, she cut him off for two weeks. It was hell for both of them, but a boy has to learn.
And a mother must be indulgent. When Tim got his act back together and they resumed their nightly sex sessions, she jacked him off with her breasts. Tit fucking was soon made a regular part of their games.
At the end of Tim's junior year things had improved even more. He was in the top 10% of his class and this time he had signed himself up for summer school. The boy who had once dreamed of dropping out was now planning on college. Looking at his year end report Shirley was struck with an inspiration, and with a deep desire to do more for her son.
In the past they had had played their sex games in Tim's room, or in the livingroom. This time Shirley led her son to her bed and began to remove her clothes. Tim sat on his mother's bed, excitement building in him. Even though he had watched her strip for him hundreds of times in the last two years, tonight it was somehow different. It was as if he was no longer her little boy, like he had somehow become her husband.
Shirley felt it too and she improvised a teasing show for her son, flashing him glimpses of her naked flesh, yet somehow hiding from his gaze at the same time. Finally she was completely nude and both their pulses were pounding and they were breathing hard. Shirley moved to the bed and kissed her son deeply. As their tongues dueled she thought that it was strange that they had kissed so seldom in the past. But now that he was more of a man it seemed right to kiss him.
She moved up on the bed and taking her son's head in her hands she directed him to her loins.
"You've played with it a lot but I've never really let you take a good look at my pussy. Do you like it?"
Tim was mesmerized. He looked at the mound beneath him. It was so dark and hairy, but there at the bottom was the hot, wet split he had touched so often. Shirley now spread her legs wider and raised her knees to open her flower for him and he could now see the wet inside of her pussy. There were her slick, pink inner lips and the hard nub of her clit, and the deep hole that sucked so wonderfully on his fingers. "Oh, God, Mom, it's beautiful."
Then he sniffed. "And it smells great too!"
"Would you like to taste it?" she asked.
"Oh yeah!"
"Start with the outer lips," she said. "Lick the juice off them...now the inner lips...oh, yes like that, up and down the split...ssssssshhhhhhhhh.....ooohhhhh you goooood boooyyyyyyy!"
Tim smiled to himself. He knew that as much as he liked it, this was more for her than for him. But he didn't mind. He did like what he was doing, and he loved his mother. He wanted her to feel great, just like she had made him feel for the last two years.
"Okay, lover, now put your tongue in the hole...that's it, baby...lick the hole you came out off. Do you like being in Mommy's pussy again?"
Tim didn't speak. Instead he showed how much he liked it by sealing his lips to her vaginal opening and shooting his tongue as far into her as he could, stretching it until his jaw ached.



"YESSSS! THAT'S IT, TIMMY, DEEP INTO MOMMY!"
Tim was thrilled as he listened to her moans and shrieks. And now he was ready for the main event. He knew from their fingering sessions that the clit was the most sensitive part of his mother's pussy, so without waiting for instructions he removed his tongue from her hole and moved it up to the hard nub at the top.
Shirley stiffened, clenched her teeth and then exploded into a major orgasm. It was not a loud screaming cum, more like a paralyzing blow. A long, low moan escaped her lips and then she collapsed back onto the bed.
Tim felt her cum and when she was done he moved up beside her and kissed her softly and lovingly. "Was it good, Mom?"
"Oh, baby, you can do that to me all next year if you want. And I'll suck you at the same time. I was in the class of '69, so I should know how to do it."
"Huh?"
Shirley was glad there were still things to teach him. "Sixty-nine means your face in my pussy and your cock in my mouth at the same time. Like this."



She lunged down to her boy's hard cock and began to suck while her thighs trapped his head. For long lovely minutes they sucked each other, until finally her cunt gushed its juice into his face while his cock spurted into her mouth.
The next morning there was no talk of what she would do for him this year. They both knew that had been settled last night. For his senior year Tim would sleep in his mother's bed and they would have all the oral sex they could stand. But Shirley did have something to offer her son.
"Tim, I don't want you to think I'm disappointed in you at all, and I don't want to put any extra pressure on you, but I think it would be great if you graduated at the top of your class. You're very close and I know you can do it. And if you do, I will do anything you want. Anything at all. Do you understand?"
"Yes, Mom."
"Good. Don't tell me what you want, yet. You've got all year to decide. And I want you to surprise me."
And now she was waiting for her son to claim his prize. She was dressed in a long, sheer nightgown. It rubbed softly on her bare pussy lips and mound. She had shaved her pubic hair as a surprise for her boy. She hoped he would like it.
Her other preparations were also complete. With all they had done for the last three years it was a cinch that Tim would want to fuck her tonight and she had rubbers by the bed. And just in case he really surprised her by wanting to assfuck there was KY in the bathroom. It was going to be a wonderful night she was sure.
It was just after midnight when Tim came home and entered the bedroom. He saw his mother in her nightgown and was stunned to realize that it made her even sexier by barely hiding her charms. His cock, already hard with anticipation grew even stiffer and started to ache.
Tim took his mother in his arms and kissed her tenderly. He looked into her eyes and saw her total love for him, her desire for him, and a naughty expectation. He hoped that she wouldn't hate him when he told her what he wanted for his graduation present.
Shirley broke the kiss and held him at arm's length. "Well, you certainly held up your end of our bargain. What do you want your mommy to do for you? What will make my darling boy happy?"
Tim took a deep breath. "Mom, I want a little brother or sister."
He saw shock and confusion on her face. "Yes, Mom, I want you to have my baby."
Shirley looked at him desperately, searching his face for some sign that he was joking. But she saw that he was very serious. "Tim, I can't do that. It's not right for a boy to get his momma pregnant."
"That's silly, and you know it Mom. It's also supposed to be wrong for a mother to play with her son's cock, or to suck his cock, and especially to fuck him. But you would fuck me if I asked you to?"
"Yes, of course, but I bought rubbers," Shirley said. "I don't want to get pregnant."
Tim looked her and said softly, "Then why aren't you on the pill. You knew I was going to fuck you tonight. You could have been safe it you wanted to be. Why aren't you?"
Shirley was suddenly confused and uncertain. She was sure that she didn't want to have her son's baby. But why hadn't she gotten on the pill? It was a much more effective means of birth control. Why was she relying on condoms that could break or fail because of improper use. There was a far greater chance of getting knocked up by accident with condoms than with pills.
And then she knew that was the answer. With condoms the chance of accidental pregnancy was much higher and if she got pregnant with her son's child 'by accident' she didn't have to feel guilty. And the dirty thrill she got from the risk of inbreeding was exhilarating.
How would she feel about a deliberate incest pregnancy, she wondered? When she let the possibility run through her mind, she felt herself getting wet; wetter than ever before in her life.
"I'm afraid, Tim. If we make a baby, won't people know. I mean, I don't date and neither do you. If I turn up preggers it won't take rocket scientists to figure it out."
Tim smiled. He knew he had won. She wasn't saying no, she was looking for ways to change his mind. Which meant that if he stuck to his guns, this time next year he would be a proud poppa.
"Well, there are two plans. One, we could move. Or two, we could tell everybody to fuck off. After all, we don't really care what they think. And somehow, I just can't see the cops arresting us. If you don't yell 'rape' and I don't accuse you of 'molesting' me, they won't have a case."
Shirley slowly pulled up her nightgown until she had fully exposed her pussy. "Do you like my shaved cunt, Tim?"
He stared at her. "Ohhh, yeah, Mom," he breathed softly.
She spread her legs and slowly lifted her knees. "Then why don't you stick your hard baby-maker in it and we'll see if it works."
Tim stripped swiftly and under his mother's guidance was soon in position. He kissed her lips softly and then said, "Put me in, Mom."
Shirley moved her son's cockhead to the mouth of her pussy and lifted her hips, forcing the head into her. Tim gasped at the sensation and froze. Shirley stoked his face and begged him to slide the rest of his cock in.
Bringing himself back to reality Tim lunged forward and soon his cockhead was touching the back of his mother's pussy.
"Feel that, baby?" Shirley whispered. "That's cervix, the opening to my womb. That's were you want to squirt your cum; deep into me so that you sperm can get to my egg. If you want make a baby with Mommy you need to give me a lot of cum deep in my pussy."
Tim was struggling not to come yet. He wanted his mother to enjoy their first fuck as much as he did. And he knew from long experience that his mother was not the kind of woman who came hard and fast, so he had to hold out. But her obscene whispers were driving him towards the edge so fast he doubted he could hold out. Gritting his teeth he pistoned his cock in and out of her, struggling to make her come.
Shirley was also getting close. Usually it took a while for her to orgasm but the long night of anticipation and now the obscene thrill of getting pregnant with her own grandchild had her primed and ready even before Tim's first thrust. She held her son against her chest and moved her hips up to meet his. She kissed him and then whispered in his ear. "Keep doing it, baby, fuck your momma good. Ohhh, shit, Tim, I love you. And I'm glad I'm gonna have your baby."
"Don't talk about it, Mom!" Tim begged her. "You're gonna make me come to fast. I want to fuck you a long, long time before I blast a baby into your belly."
"Oh, you're gonna fuck me for a long time, Tim. You don't think I'm going to give you up to some little college slut do you. You're gonna stay in my bed for years and we're gonna make so many babies!"
That was all it took to push Tim over the edge. "AHHHGGGHHH!" he bellowed as his cum spurted deep into his mother's vagina. He shoved his cock into her as far as possible and felt the mouth of her womb against his cock head as he came. He was sure he was shooting right into her womb, almost guaranteeing that she would become pregnant with his child.
And as she felt her son climax inside her fertile pussy Shirley, came as well. "YESSS! SHITTT! OH, GODDDDDDD! KNOCK ME UP, TIMMY, GET YOUR MOMMY PREGNANT!!"
The next morning the pair of lovers sat in the kitchen, each looking a little sheepish.
"Well, Tim," Shirley began, "I hope that the baby does well in school, because frankly by the time he gets into high school I'll probably be too old to help him the way I helped you. Too old to really keep him interested, I mean."
"Mom, you're never going to get so old that I or any son of mine wouldn't want to fuck you. Besides, I hope you have a girl. And maybe I can help her get through high school."
"She's definitely going on the pill then," Shirley said. "No daughter of mine is going to drop out of high school because she got pregnant to young."
"I agree, Mom," Tim replied. "But I hope you won't object is she goes off to college with my baby in her belly."
Shirley didn't and twenty years later, her daughter/granddaughter got a very special graduation present from her dad and brother.
