The infection contained in an abscessed tooth.
I need to take a break, hit the bathroom and seep this gumpus.
by emptyhead416 October 14, 2011
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.
by Kenshin April 10, 2005