A person who sits outside hotels in his car leeching bandwidth when his ISP is down.
I swear that is Gumpus, he's been sitting in his car for 4 days now.
af Kenshin 10. april 2005
One who sits in the hot-tub biting everyone's fart bubbles.
I ain't goin' in till that gumpus leaves.
af yonder 29. august 2004
The infection contained in an abscessed tooth.
I need to take a break, hit the bathroom and seep this gumpus.
af emptyhead416 14. oktober 2011