Note to readers: Following a lively and mildly inebriated cocktail party conversation on New Year's Eve, this is an effort to combine three of the most popular fetishes/kinks at Literotica and many other places: Mother-son incest, voyeurism and cuckolding. It is wholly fictitious and in no way, shape or form reflects any personal experiences or desires.
If that's not your cup of tea or coffee or beer or wine or scotch, please use your back button.
Thanks in advance to all who read it and extra thanks to anyone that votes, and especially to those that leave comments.
And a very special thanks to Todger65 for editing and general guidance.
*****
The sound of voices awoke Rex. It took a moment for his head to clear and realize he was at his desk.
Last night suddenly flooded back and he remembered he had fallen asleep watching his wife and her son sleeping. He rubbed his eyes and looked down at the monitors. They were still in the guest room bed but they were no longer asleep. At some point they had turned normally on the bed and had pulled up the covers. They were on their sides, Billy behind his mother.
"And good morning to you, sweetie," Helen said sleepily as she twisted her shoulders and turned to smile at him. She sniffed. "Did you brush your teeth?" She asked, covering her own mouth quickly.
"There's some toothpaste down here. I didn't want to breathe morning breath on you," he smiled.
"Mine must be awful."
Billy shook his head and pulled her hand away from her mouth. "Your breath is wonderful, mama."
Before she could stop him, he pressed his mouth on hers and they began a long, slow kiss.
Rex saw the lump of Billy's hand traveling up under the covers to his mother's top breast. Billy massaged her huge mound and then from the tenting Rex knew the teen was pulling and tweaking her nipple. Helen moaned into his mouth.
Billy broke the kiss and they both looked down as he pushed the covers aside to expose both her lolling breasts.
"I love your titties so much, I could suck and squeeze them all day," he said scooting down a little to suckle the fat bud.
His mother sighed and ran her hands through his hair as he kneaded and loudly sucked the spongy mound.
"Feels so good," she whispered. She lazily rubbed his back for a moment and then said; "And how is your penis this morning?"
He pulled his mouth away from her nipple and scooted back up the bed. "Can you do me a little favor? It's silly, but..."
She caressed his face. "Of course. What is it?"
"I know it's kinda dirty, but can you call it cock instead of penis. I guess it's just a dumb word to me."
She smiled wider and pulled him down for a brief kiss. "And how is your huge cock this morning, baby? Is it ready to fuck mama's little pussy again?"
Billy's eyes widened. "I love that. I love it when you talk like that. And yes," he paused, causing her eyes to widen when he pressed himself against her backside, "my cock wants to fuck your little pussy so bad."
"Does it ever get soft, baby?" She smiled in amazement.
Watching Billy kick the covers off the bed to reveal their naked bodies pressed together, Rex was glad that he'd nodded off before shutting down the computer and cameras last night. Missing this would have been a crime.
"Scooch down just a little," Helen said raising her top leg.
Billy moved down a little and his mother reached between her legs.
"A little lower," she whispered.
Billy got the idea and scooted more until she could grasp his steely cock and pull it between her legs. The huge rod poked through her plump thighs and the top of the shaft slid along her puffy slit. She turned her shoulder away from him and moved her hips slowly.
"Will you put it in me like this?" She cooed, looking down at his leaking cock as she draped her leg over his hip. "Will you fuck me like this slow and gentle, baby?"
"Yesssssss," he groaned, moving his hips back and forth slowly, rubbing the shaft against her little slit.
She raised her leg even higher. "Put it in me, honey. Put your cock in my pussy. I want it so badly."
Billy levered his hips to drag the oozing head to her opening. She gasped softly and gripped a pillow when he gently pressed the tip inside her.
"Very, very slow," she panted. "Mama's tight little pussy is a little sore from your huge cock."
Billy pulled his cock out to slide it along her slit again, coating its steely hardness with her dripping lubrication.
Rex had to take a piss so badly it hurt, but he wasn't going to miss a second of this.
Billy dragged his cock down again and gently eased the tip inside his mother. He rocked back and forth, feeding her a fraction of it at a time until the head was securely inside her.
"Do you want me to flex it?" He asked with a smile.
"W-what's tha..." she trailed off and her eyes bulged. "What is that?"
"When I flex it, the whole thing but especially head gets bigger."
"Do it again, baby," she whispered breathlessly.
This time Rex saw the giant cock swell bigger and knew the fat head was ballooning inside her.
"That's, that's amazing," Helen gasped. "Do it again and push in a little more."
She groaned loudly when Billy complied with both requests and then she could only whimper as her son took her again, gently and slowly feeding her more and more of his giant cock.
To Rex, it seemed to take more, much more than a minute before the teen's cock was fully buried in his mother's sopping pussy.
"Yesssssss," Helen gasped. "Fuck me, baby. Fuck me with your big cock. Feels soooo good."
Holding onto her hip, he stroked into his mother slowly and gently for some time before he began to move faster and more urgently.
"Are you ready, honey?" She cooed. "Is your big cock ready to fill me full of your come?"
"Y-yeah," he gasped, his hips bucking faster and faster.
"Fuck me, baby!" She cried. "Pound your cock into mama's little hole!"
Rex had no doubt she was fully aware how much the filthy words were inflaming her son. And he was just as certain they were adding to her own arousal.
Billy let out a deep moan and slammed into her with unbridled lust. His mother whimpered continuously and thrust back at him, their sex-drenched flesh slapping loudly.