When a person tends to eat his/her food very quickly; inhaling it in a disgustingly sloppy manner. Most of the time chewing very noisily.
"Dude, did you see the way that fatass gnarfed his burger?"
by Merick August 14, 2007
A person who farts in the bathtub and bites the bubbles.
Dream loves to gnarf when she takes a bath.
by incognito tiger September 26, 2006