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.
de Kenshin 10 avril 2005
One who sits in the hot-tub biting everyone's fart bubbles.
I ain't goin' in till that gumpus leaves.
de yonder 29 août 2004
The infection contained in an abscessed tooth.
I need to take a break, hit the bathroom and seep this gumpus.
de emptyhead416 14 octobre 2011