Chapter 9 Donna arched her ass into her son's face, writhing in pleasure. Her tits were smashed beneath her against the floor, her hands stretched far above her head, fingers clawing at the carpet. Billy swiped his tongue along the creamy smooth flesh of his mother's ass, licking hungrily. When he dragged his tongue along the crack, Donna mewled softly, spreading her legs for him. "Lick it good, baby!" she cried softly. "Oh, lick Mother's ass!" Billy ran the flat surface of his tongue down, poking it at his mother's hairy cunt, then drew his tongue up to her tight, burning asshole. Donna sobbed with delight as her son licked and twisted his tongue about her sensitive asshole. Billy moved his hands past her hips, hugging her tightly and burying his face hard into the cheeks of her hot ass. His tongue lapped and swirled at the tight pucker, bringing whimpers from Donna. "Suck it!" Donna crooned. "Suck Mother's asshole, ...