Grunny

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 May 13, 2011

Grunny

Actor Greg Grunberg's (of Heroes and Alias fame) nickname.

Grunny plays Matt Parkman, the telepathic cop, on Heroes.

by claramata June 12, 2009

Grunny

Of a low quality

Her sweater was really grunny and poorly made

by KAMIKAZE0 October 9, 2021

Grunny

Gross, used to described a person

“Ewww, you are grunny!”

by Ur mum 1,2 and 3 October 21, 2021

Made a Grunny

When you shit in someone’s toilet and don’t flush while they are out of town and leave it to rot until the homeowner returns

Andy got mad at his uncle for yelling at him for stealing his credit card and using it on 1-800 phone sex numbers while his uncle was out of town, so Andy made a Grunny in the toilet before he left the house to show how ungrateful he was for the money he stole.

by TBone420 October 12, 2020

Grunny

A derogatory slur for people who wear diapers and diarrhea in them

“Damn look at that grunny over there… they’re kinda hot tho… I’d let them grunny in my diaper”

by GrunnySlurper3001 January 3, 2023