THE SLIPPERY SLOPE
Chapter 10 - Final Shattering of Taboos

(MMF, MmF, bond, inc, anal)

by Art Martin

Chapters : 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10



Pursuant to the Berne Convention, this work is copyrighted 2003, 2004, 2008 with all rights expressly reserved by its author unless explicitly granted.

Standard Disclaimer: This story contains sexually graphic and explicit material and as such it is not suitable for minors. If you are a minor, please leave now as it is illegal for you to be here. If it is illegal for you to read or view sexually explicit material in the community you view such material, please leave now. This story and characters are purely fictional and any resemblance to events or persons (living or dead) is purely coincidental. If you are offended by sexually explicit stories, please read no further. If you are offended by stories featuring group sex, bisexual situations, incest, sex between minors and adults, or any other situation, please check the story code before reading the text. These stories are just that, stories, and do not promote or condone the activities described herein, especially when it comes to unsafe sexual practices or sex between adults and minors.



After their Sunday morning good-morning screw, Don and Jan laid about for a while before Don suggested they go get breakfast out.   That was a special treat for both of them, as there was rarely much money to spare for such common luxuries. But, with Don’s raise and after all that had happened, he felt like celebrating a little.

Upon returning home he told Jan he “wanted her ass naked and ready to be screwed.”  He knew she wouldn’t tell him ‘no’, she’d never told him ‘no’ when it came to sex and he had no reason to believe that she would refuse him now. 

It was hours before any of the kids were suppose to be home and Jan thought her husband just wanted some adult playtime before the duties of parenting resumed, not that they didn’t screw a lot with the kids home and in the next room.  Doing as she was asked, Jan waited to see what Don had in mind.  When he produced the thick soft velvet ropes he sometimes used on her, she felt her pussy gush.  Whatever Don’s failings as a provider, he had always more than made up for it with his inventiveness and sexual prowess.  They never had anything to spare, but the sex was free and sex was their main entertainment, raw get down and dirty sex.  When it came to sex, he knew exactly what buttons to push for maximum effect.  That was why she loved him and stayed with him all these years, he always fucked her better than anyone else fucked her, and he fucked her a lot. 

As she let him bind her arms and legs to the four corners of the big four-poster bed, she wondered what he had in store for her today.  Would he take her anally?  Use the dildos and toys on her, making her cum until she passed out from exhaustion.  Nipple torture?   As he secured the mask, effectively blinding her, she knew that whatever his plans, he intended to play mind games with her as well. He adjusted the ropes so that her legs were lewdly splayed in the air.

She waited and waited for the game to begin, but nothing happened.  There was only silence.  She strained to hear what was happening around her, but received no auditory clues.  It was only a few minutes, but the wait seemed to go on forever.

“Don?  Don?” she asked the darkness.  She was rewarded with a cloth gag to keep her silent.  She then felt him running another soft rope, from the headboard and under her, bringing it up between her legs.  Soon she felt the rope doubling back over her and then become taut.  Don applied a steady pressure, and the rope settled into her cuntal slit and ass crack.  The pressure steadily increased.  Don watched in amusement as she began to squirm.  Even as he held still, her moving hips made the rope dig into her sex.  He then began to add gentle tugs and soon Jan was trashing about in a strong orgasm.

Pleased with how things were progressing, Don slipped silently from the room.  Upon reaching the far side of the house, he placed a hushed phone call to his brother-in-law.  When Don first called him earlier that morning, Jim wasn’t all that interested in screwing Jan at the moment, but as Don unveiled his plan, Jim’s interest grew.  With the kids still gone and Anne off doing some grocery shopping, Jim hastily beat a path to his in-laws home.  As he was instructed, upon entering, he slammed the front door.

Jan’s body jerked at the sound of the sudden and unexpected sound.  “What was that?” she mumbled through her gag.

For the first time since she’d been blindfolded, she heard Don speak.  “Oh, I guess that’s Toby.  Oh, I forgot to tell you, but when we were at the restaurant and you got up to go to the ladies room, I got a call that the boys were going to be home much earlier than planned from their camping trip. Now, if you will excuse me, I have something to discuss with our son.”

Hmmmpppphhhh!     Hmmmpppphhhh!   Hmmmpppphhhh!” grunted Jan as she fought against her bindings.  Hmmmpppphhhh!     Hmmmmmmmmmmmmmpppphhhh !”   She desperately wanted to hear a reply, but all she got was a continuing deafening silence.  Still, she had to find someway to stop this and she continued to struggle futilely.

Having worked herself into something of a frenzy, she realized that perhaps Don was putting on an act.  ‘Yes, of course, after all we’re only playing games.’  Secure in her knowledge she put herself back into the salacious game she thought he had planned for her.  No matter what, when the time came, she’d pretend that it was Toby.   It was so perverse, but just the thought of that almost made her cum.

Again there was a long period of silence and Jan’s sexual tension once again began to mount.  When fingers lightly caressed her breast, she tensed.  Soon her other breast was being touched.  Playing the game, she allowed herself be carried away by the salacious sensations, pretending that it was her son’s fingers stroking her tits and not Don’s. 

“I told Toby,” Don began in a soft voice, “what a slut-whore his mother is. How much you love getting fucked and how much you crave a cock filling your slutty cunt.  I also told him how you weren’t all that particular whose cock was filling your cunt, just so long as it did.  I asked him if he wanted to fuck you.  He was a little hesitant, but that big hard-on he’s sporting tells me otherwise.  He’s got a nice big dick, Jan.  Just like his pa, only not quite so large… Still, for a boy of sixteen, he’s quite impressive.  He’s been fucking his sisters with it so much that they can both take me with ease.”

Jan smiled inwardly at Don’s prattle.  It was quite effective even though she knew it was all baloney.  Then she realized something with a start.  If Don was toying with both her nipples, whose hand was that running up inside her thighs?  As the mysterious fingers reached her vulva, her body suddenly stiffened and once again she began yelling in the gag, “Hmmmpppphhhh!    Hmmmpppphhhh!   Hmmmpppphhhh !”

“See. Toby, she likes it.  Honest, she really does.  Look, just climb on top and fuck her.  She can’t stop you and I certainly won't stop you.  Go on, son, fuck her.  Trust me, she’ll love it.  Fuck her once and you can fuck again and again and again.  Fuck her and you can fuck her anytime you want to fuck her, just like you fuck your sisters.” 

Jan felt “Toby” moving on top of her.  Desperately she fought to get loose and stop this madness before it was too late.

“That’s right, son, you know what to do with a cock-whore like your mother.  Yeah, get ready to join a very exclusive club.  Not many boys get the chance to be a true bona fide motherfucker.  Yeah, rake your dick in her snatch.  See?  She’s wet, wet for you, Toby.  Now, go on son, take your mother as your own slut whore.”

The moment she felt the cock push into her she knew it wasn’t Don’s fat cock and she came almost instantly.  Screaming into the gag as the unexpected orgasm took her by complete surprise, she thrust her hips upward to take more of her “son’s” cock up her snatch.  With no conscious effort on her part, her hips began fucking back, setting the pace for a hard fucking.

Jim pounded into the writhing bound woman, power ramming her wanton cunt.  Don managed to remove her gag and she began to beg, “Fuck me harder, Toby!  Fuck me harder!  Yes, yes, fuck your mother!  Fuck me!  Use me!  Harder!  Harder, damn you!  Fuck me harder, Toby!”

Toby, the real Toby, stood in the open doorway of his parents’ bedroom with his mouth hanging open. The words, “Fuck me, Toby!  Fuck your slutty mother!  Fuck me hard, baby.  Oh, yesssss , fuck me, Toby!” rang in his ears.  What he was seeing was believable enough, he’d seen Uncle Jim’s bare butt pumping into his two younger sister’s and his cousin enough times to recognize it immediately, but hearing what he was hearing his mother scream… that was a total mind blowing experience for the boy.

Don, seeing his son standing in the doorway gawking at the spectacle before him muttered, “Son of a bitch!”  His mind raced searching for an answer.  ‘What’s he doing home so early?  He’s wasn’t supposed to be home until late!’  At first he felt panic, but then he quickly realized that actually, things couldn’t be any better.  As his lurid improvised plan unfolded in his mind, his cock surged to a degree of hardness seldom achieved before.  Promptly Don was at his son’s side. 

“She thinks it you fucking her, Toby,” he whispered.  “Listen to her.  She doesn’t know that it’s actually Uncle Jim… she thinks it’s you.  She’s a whore, you know.  A pure whore.   Believe me, your mother’s a pure whore.  So how about it?   You wanna fuck her, son?  Fuck her for real?”

Don boldly grabbed his son’s crotch.  “You’re hard as a rock.  Yeah, you wanna fuck her…  That’s a boy, get your pants off.”

The frenzied fucking taking place on the bed came to an abrupt end with Jim collapsing on top his sister-in-law.  The only motion the two sweat covered fornicators made was the heavy heaving of their chests as they both struggled to catch their breath.  After several moments passed, Jim prepared to dismount. 

As Jim pushed himself up with his arms, Don lifted Jan’s mask. Jan stared upward into her mystery lover’s face.  She blinked several times trying to reconcile what had been in her mind’s eye with what she saw now.  It didn’t add up.  Then Don lowered the mask again, plunging her once again into total darkness again.

Jim looked back and forth between Don and his beefy nephew as Don set about untying his wife’s right leg and letting it fall to the bed.  ‘What the fuck?’ Jim asked himself.  No sooner had he asked this question than the answer came to him with clarity.  Faced with the perverse enormity of what might to soon take place, he broke out in a big grin.

Don loosened the ropes holding her arms outstretched to give him some slack.  Then he rolled her onto her right side and snuggled up behind her in a spoon.  Jan felt her husband’s broad cock head, slick with KY jelly, pressing between her buns.  With her left leg still held high off the bed with a rope, her buttocks were already parted and Don had no problem finding his mark.  Feeling the big bore cock pressing into her anus, Jan willed her well-trained sphincter to relax and permit the entrance of the familiar anal intruder. 

Don pumped a few times to run his cock deep into his wife’s rectal cavity.  Planted deeply inside her, he motioned for Jim to untie her left leg.  With both her legs now free, Don rolled them both onto his back while keeping Jan impaled on his big dick.  He then hooked his ankles with hers and spread her out wide.

“Okay, Toby,” he began.  “Time to fuck your mother.”  

Hearing all this and reconciling the mental and visual clues she had from moments ago, Jan decided that it was rather lame of Don to try playing the same trick twice and thinking he’d get away with it.  She heard Don talking, but paid little attention to it as the unseen body of “Toby” took up position between her legs.  Still, a fucking is a fucking and she’d never done a double penetration with her husband before, other men yes, lots of men, but not with Don and none of the other’s had her ass stuffed as full as she was right then.  As the extra hands began mauling her tits she reflected that doubles would be fun to add that to their varied repertoire of sex acts.

Don reached up and pulled the mask off of his wife’s head.  Jan blinked as her eyes adjusted to the light.  She recognized the youthful face with its closely cropped blonde hair, but it didn’t make sense.  Her mind was playing tricks on her again.  It was Don!  Don when they were teenagers.  Don when he would fuck her, over and over and over through the double feature in the back of his crappy old van at the Rex Drive-In.  She heard Don mutter, “Fuck her, Toby.  Fuck this bitch!”  Oddly, Don’s voice came from behind her.  Of course it did, Don had his cock up her ass…  Who was

With his father’s massive cock up his mother’s ass, there wasn’t much room for an additional cock up her snatch, but Toby pressed ahead and forced his dick inside his mother’s wanton pussy.

Suddenly Jan shrieked, “Toby!  No!  Toby!” But, it was too late, the taboo act had been done.  With the limited room available, her son’s cock felt as large or larger than his father’s cock.  Toby began fucking his mother.

“Oh, god,” she groaned in surrender.  “Oh, god, that feels soooo gooood, baby.  Fuck me, baby.  Fuck my pussy.  Fuck your mother’s pussy, Toby!”

Don was all grins as he felt his son’s cock sliding in his mother’s pussy through the thin walls of her rectum.  As the incestuous fucking began, he remained motionless, savoring the perverse feelings in his cock as Toby moved back and forth in the muscular fuck tube that was his slut mother’s cunt, the very cunt from which he came.

“Cum on his dick, you slut,” Don hissed into his wife’s ear.  “Cum on your son’s cock for him.   Show him how much you love him.  Cum for me, bitch.  Damn you, cum on his cock for all of us.”

Don soon felt the quivering in her gut and then felt her cuntal tube contracting.  The contractions became more and more intense while Jan’s babbling became increasingly incoherent.  She was cumming , cumming on her very own son’s thrusting cock.  Don could no longer remain still and pumped savagely into her ass from below while their son pumped into her cunt from above.

An unholy wailing shriek of pure animal lust filled the entire house as Jan plunged over the abyss and into the swirling vortex of a mind-altering orgasm. “Aaaaiiiieeee! A-a-a-a-a-a-a-h aaaiiiieeee!” she screeched in furious, raging ecstasy and gratification, before being choked off as her slippery with sweat body was gripped with extreme orgasmic fury.

It was music to Don’s ears, a sound he never grew tired of, the sound of his wife’s ultimate sexual bliss. With his wife in the intense throes of her pleasure, his balls boiled over. His own orgasm came like the sudden, catastrophic rupture of a pressure vessel and with a roaring shout, his seedless semen shot deep into his wife’s ass.

Having also spent his seed in his mother, Toby rolled off. Jan was too dazed to move and remained motionless as Don’s once mighty cock began its cock-slumber and grew softer and softer. Still the big organ stayed in her accommodating ass as the man and his wife both dozed off in a well-earned post-coital siesta.

Jim didn’t disturb the couple, but took it upon himself to untie the remaining ropes. No matter what happened now, nothing could beat the sex-job he’d just taken part in. So he took his leave to go home and get his own much-needed rest.

After fifteen minutes of a roof-ratting snoring nap, Don woke up holding his wife to his broad hairy chest. As much as he wanted to stay and simply enjoy the feel of his soft cock snuggly nestled in the warm sheath of her butt, he had to pee. He waited as long as he could and then rolled her off and in doing so extracted his cock from her ass with an audible “plop!” He was sort of surprised to see Toby there, sitting at the edge of the bed gently stroking a renewed erection, but then the momentous event came back to him with crystal clear lucidity.

Don’s movement woke Jan too and she stretched like a cat as Don stood up and plodded off to take a leak. He came back in time to see Jan’s legs wrapping around Toby’s waist. With the incestuous rutting resumed, Don marveled at Toby’s short refractory period, a gift of youth that he knew would not be wasted with this boy.

*****

Don and Toby sat at the kitchen table admiring the bare backsides of the three thong-clad females of the house working to prepare supper. The high heels were a nice touch, Don thought. Jan protested at first, but having the girls topless around the house was what Don demanded and got. Now with his two nephews, Peter and Kevin coming over soon, Don was anxious about trying his hand with the new video cameras he had bought.

A week had passed since Don got his big raise and promotion and there was a new order in the house. A lot had happened during that week. Studying the array of shapely bare buttocks before him, he reflected on some of the momentous events of the past week, of fucking the teen girls for the first time and fulfilling his lifelong obsession with the fucking of his big titted sister, and of Jan’s surprising embrace of the new incestuous relationships that had blossomed.

There were other events too, important events. On Monday morning he learned that he was being given the opportunity to develop a new line of business for his company. If he succeeded, he stood to become a high paying senior executive. All his long hours and years of hard work had really paid off. He was given the chance to hand-pick his own team, and he knew exactly who he wanted. Within a week, his team had formulated a plan and was poised to put it into action.

Later that Monday afternoon, after gathering his team and making their initial assignments, he slipped away to “take care of some personal business.” Jan was alarmed when her husband dropped in unexpectedly and demanded to see her boss.

Nervously, Jan’s boss sat across from the physically imposing husband of his company-whore and expected the worst. Don was direct and to the point. To the senior executive’s surprise, Don wasn’t angry about the sexual use of his wife by the company. In fact he was fine with that and he made that point very clear. What he wasn’t fine with was the paltry compensation she received for putting out for the firm and thus securing much lucrative business for the company with her cunt and her ass. Negotiations were brief and business like. Late that afternoon, a courier delivered Don a fat check for Jan’s past “special” services and a generous offer of compensation for her future “special” services. The girls would get their braces and there would be plenty of cash left over for a new car, Don’s first new car ever, plus other luxuries that had long been denied to them.

*****

Lori turned from the kitchen counter and brought a bowl of food to the table. She shook her long blonde hair and her blue eyes flashed as she lingered for her father to enjoy gazing at her youthful tits, tits with pink nipples still swollen from a recent sucking. She paused, enjoying the feel of his big hands gliding across the bare skin of her youthful body. As he began tugging her thong down, she knew what he wanted and what he expected of her. Stepping out of the thong, she knelt before her father and began fondling his big cock, relishing the feel of his growing hardness in her delicate hand.

Auburn-haired Bonnie brought a bowl to the table and was likewise detained by her brother. Jan turned to bring the platter of meat to the table, only to be greeted by the sight of her two daughters kneeling before the two naked men seated around the table.

“Okay, that’s enough for now!” she chided with a laugh. “Get up girls. The food’s going to get cold. There’s plenty of time for that later.”

Lori kissed the head of her father’s stiff pecker and rose. Reluctantly Don let her go with a playful swat to her bare butt. He knew his wife was right, the food would get cold and there was plenty of time for sex tonight. Yes indeed, there was plenty of time for that.

THE END


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