What is Grunny?
1.
Grunny (NOUN) - A fictional animal on GaiaOnline. 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
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2.
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)
All hail Lord Grunny and his green rabbity-ness
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3.
Actor Greg Grunberg's (of Heroes and Alias fame) nickname.
Grunny plays Matt Parkman, the telepathic cop, on Heroes.
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4.
something that is equally gross and funny.
person 1 : did you see when that guy made milk come out of his nose when he couldn't stop laughing?
person 2 : hells yes! that was mad grunny!
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5.
crap or shit
youre a grunny ball
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6.
A slothlike creature, often found in front of a computer.
Grunny likes to IM.