Paul rose, his enormous, wet hard-on throbbing and jerking stiffly before him as he grabbed the jar of Crisco. He pasted it liberally all over his cock, then again knelt between his mother's thighs. Emily shuddered as her son attended to her itchy little asshole, coating her sphincter with a generous application of lube.

"That's enough, baby!" Emily spread her ass-cheeks even farther. "Now go ahead and fuck Mom's asshole, lover! Hurry, Paul, hurry, Mom needs a cock up the ass right now!"

Paul mounted his horny mom, aiming his cock-head at the rosy ring of her shitter. Emily gasped with intense pleasure as she felt his cockmeat cleaving into her bowels. Her asshole was stretching wide now, much wider than it had once stretched around, her husband's cock. Paul was humping on top of her, plowing inch after inch of his giant, cum-swollen cock into her ass.

"Oh, my baby! Oh, Paul! It's so big, baby, it feels so fucking good!"

Emily thrust her hand under her rounded belly, whimpering with impatience as she rooted through her juice-matted pussy-curls for the gooey opening of her cunt. Then she caught her clit under her fingertip and started rubbing it hard, simultaneously thrusting her burning asshole onto her own son's cock.

"Fuck my asshole, Son!" she cried, humping faster and faster. "Ungghhh! Mom loves it, darling, Mom loves your huge, fucking cock! Harder, Paul, ram it up my shitter! Oh, Paul, oh, shit, you're making me cum!"

Paul shuddered with pleasure as his mom's narrow, rubbery shit-tunnel compressed juicily around his driving cock. He sprawled flat on top of her, panting on her shoulder as he humped. The blood-laden inches of his cockpole stabbed relentlessly into her shit-chute, until the naked mom had every inch of her son's enormous cock rammed up her bowels.

Emily finger-fucked as fast as she could, groaning and panting as she thrust her tender, itchy asshole onto the satisfying stiffness of her son's cock.