Dirty anal sex. It was first pioneered by the Gap Tooth Pirate, Cromer. Before ejaculation, the man pulls out and cums on the girl's face, because "she knew it was coming".
Cromer and Tiffany were dumper bumping in the locked room. I knew because of the grunts of pain from Tiffany and the stink of bunghole and sweat.
by Captain Crunkbeard August 18, 2006

The Arsehole
That girl I took home last night was dirtier than a tramps vest, and insisted I take her up the dinner dumper.
by gobshite July 04, 2009

by Repo Man June 06, 2007

The art of peering at girls asses. Can be announced amongst friends discreetly to bring attention to the glorious sights.
by r0wl4nd March 02, 2015

by Phucker January 17, 2007

by The Cum Dumper November 03, 2006

a dumper tortoise is a name for a real turd of a person
can be used all the time because no one knows it so it seems like a clever comeback
can be used all the time because no one knows it so it seems like a clever comeback
by The Great El Sahey September 19, 2006
