The act of inserting one's own penis into the anus, then proceeding to urinate until the intestines fill or bladder empties.
Guy #1: I'm from Jersey, I've never pumped my own...
Guy #2: Don't worry, I'll show you how to use a Pennsylvania gas station.
Guy #2: Don't worry, I'll show you how to use a Pennsylvania gas station.
by fuckkko January 14, 2011