Holding her waist tight, the animal humped hard and fast, fucking his big fat prick up and down her cunt tube with enough force to rock her body back and forth. Ruth went along for the ride, moaning and gasping with each hard fuck-thrust.

The animal's prick head spread her cunt walls from every direction, driving them this way and that, and smearing them with jizz. His balls hammered the backs of her thighs so hard she cringed at the sound of the filthy flesh-slapping noises that filled the air.

The friction inside her cunt was intense. She drooled deliriously with each cock-thrust. It was as if someone were using a wedge to split her cunt open down the middle. She began pumping her cunt muscles on the hard-driving cock in a vain effort to control the fucker.

The Saint Bernard fucked right through her clinging cunt muscles. He jarred her whole body as he did so. In fact, he began humping her right across the floor, his prick acting like a pile-driver.

Ruth crawled along in front of him, unable to stop. His vicious fuck-thrusts sent tremors racing through her body. The cock-thrusts took away her breath and made her cunt throb crazily. She groaned deeply, her mind spinning, her cunt juices swirling.

Soon cunt juices began oozing down her cunt tube. The dog's hard-fucking cock quickly turned the fuck juices into a buttery froth that coated his prick shaft and her cunt lips and cunt hairs. The dog kept fucking, spraying the froth all over the woman's inner thighs and asscheeks.

"Ohhhh!" she cried, biting her lower lip and shaking her head. "I can't take much more of this. He's making me come."

The dog drove his prick into every crack and crevice of her sopping pussy hole. His balls turned her pussy lips red and made them swell up and throb. His cock root jolted her aching clit and caused the fuck-knob to throb.

"Iiieee!" she cried at last. "That's it! I'm coming!" She started shaking spasmodically as her orgasm took complete control of her mind. "Heeeelp! I'm coming!"