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2 definitions by NumetalFag

1. To approach a stranger and slowly rotate your hips while crossing your arms across your chest in a mummy-like fashion and yelping "Nump!" in a high-pitched voice. Inspired by the two legends, Butch and Mummy fart.

2. The act of numping.
"Dude, let's go nump the shit outta that fuck!"
by NumetalFag July 09, 2009
A persons cock that is small and and fat and is the color maroon.
"Frank, you have a chub! You have a maroon cock!"
by NumetalFag July 09, 2009