His body shook involuntarily, like a dog out of water, shaking itself to extract the last drop of spunk.

She moaned loudly, her nipples stabbing up to hit his thumbs as her lower body began involuntarily shaking.

His right hand shakes involuntarily.

Travis's hand shook involuntarily.

On the landing of the stairs, Thomas's body shook involuntarily for a moment, all over, like an animal.

I moaned and shook involuntarily, hating my show of weakness, but unable to stop it.

Reese noticed that his gun hand was shaking involuntarily.

Daniel stepped back, wiping the black mucus with disgust onto his embroidered robe, shaking involuntarily.

At the end of the climax he was completely given over to pleasure and made animal sounds and shook involuntarily from exhausted satiety.

My head involuntarily shook back and forth.