He was on top of his girl, humping away at breakneck speed.

That poor guy humping away, all the while he's making his cinematic debut.

The thud of Hornbreed hitting the cavern floor sent the white larvae humping away.

He looked over to the cages where some of the rats were humping away, while others were nuzzling each other like little lovebirds.

Cut to the two of them humping away as he presses her against a concrete stanchion in one of the city's lonely places.

If you hump away at menial jobs 360-plus days a year, does some kind of repetitive injury of the spirit set in?

When the fishers saw that the two humans were coming, they humped away to be lost among the crannies and pit holes of the distorted range.

We've been humping away for a whole two and a half pages.