Grunny (NOUN) - A fictional animal on GaiaOnline.com. Name is a combination of "Green" and "bunny" which describes the grunny's appearence. Grunnies carry a poison that, when injected into humans through a bite, can make them into Grunny Zombies (Grombies)
Member1: OMFG there's a grunny on your head O_O
by Nanaki001 November 10, 2006
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A case of diarrhea. The shits. The runs. Originated in Aroostook County in Maine.
Man, the food from that Chineese Restaurant down the street is terrible! I had the grunnys all night.
by defenestrator March 23, 2005
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A green zombie rabbit that was injected with the G virus. If you get infected by many of them, one will sprout up out of your head (from gaiaonline.com)
All hail Lord Grunny and his green rabbity-ness
by D. Marie August 7, 2006
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A tiger like animal in the form of a Green bunny, with a virus that will infect you in seconds. Since it is a Green bunny, they have named this rare species a Grunny, or in the Alt universe,
A prunny. Also, they have discovered rare sightings of Gramsters, and many have been infected and have turned into 'Grombies'.
A: Dude, what's that moving in the bush?
B: Some kind of rabbit...
A: Wait a minute... It's a Grunny with a Prunny and a Gramster!
A and B: RUN BEFORE IT INFECTS US!!!!!
by TrunnyGrunny April 22, 2011
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Actor Greg Grunberg's (of Heroes and Alias fame) nickname.
Grunny plays Matt Parkman, the telepathic cop, on Heroes.
by claramata June 12, 2009
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youre a grunny ball
by owen November 18, 2003
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