Definitions by grunk
grunk
A shortend term for the name used to describe a Grunka-Lunka, who feature prominantly in the Futurama episode "Fry and the Slurm Factory." Grunk is commonly used as an insult (to claim that a person or thing resembles a Grunka-Lunka, or acts like one in anyway.) But is mainly used to replace the phrase idiot, sadcase, fucktard etc, especially if you can't think of another term to call you're friends.