Top Definition
Noun: An improvised weapon of the feline variety. A cat grenade occurrs when one (or more) cats is/are picked up and hurled at the offending party. The Cat Grenade is the preferred weapon of the insane, meth addicts, or the Cat Lady featured in the Simpsons cartoon series.
"That crazy bitch wouldn't leave so i threw a cat grenade at her"
by Heynurse April 02, 2010

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