Barbara lifted her ass high from the bed, twisting it in a tight circle. She was sobbing now, soft sobs of increasing ecstasy. She drew her knees back toward her tits, running her hand underneath, caressing the revealed roundness of one cheek. Bobby stared at his mother's crotch, seeing not only her hairy, glistening-cunt, but the tight pucker of her asshole. His cock was so big so hard he could hardly stand it.

"Oh! Oh!" Barbara moaned. "Ohhhh! Ahhhh… ooooo!"

Bobby watched his mother rubbing at the tight hole between the cheeks of her ass, then up to her pussy. Barbara plunged two stiff fingers into her cunt, fucked herself frantically; then rubbed at her asshole again. To Bobby it seemed as if his mother couldn't make up her mind where to touch.

Barbara's fingers moved from her asshole to her cunt, alternately. Her uplifted ass was twisting, twirling, and she made hot sobbing sounds. He wasn't sure whether she was in pain or what. He had never seen anything like this in his young life before. All Bobby knew was it excited him, made his cock hard.

He had no idea girls played with themselves like boys. Watching his mother was more exciting than playing with his cock – or even peeking at Cindy when she pissed.

The groans and grunts his mother was making were loud now, and her body was shaking. She was running two fingers in and out of her cunt in a manner that looked painful to Bobby. Her ass lifted higher yet, and Barbara began to make squealing sounds, hissing and gasping. She had the fingers of her other hand around her exposed tit, squeezing it hard, making her long nipple bulge up.

Suddenly, Barbara rammed her fingers deep, holding them there, her ass not moving.

Then she seemed to have a seizure of some kind. Every inch of her body shivered, then trembled. Finally, her body was shaking violently. She made a scream, a soft scream. Her cunt clutched at her buried fingers; the spasms of ecstasy making her mind whirl. Bobby saw his mother's cunt squeezing the fingers like a milking fist. He didn't know what was happening, but someplace in his young mind, he knew that his mother was experiencing the greatest of all pleasures. He knew she was coming.