Top Definition
The lowest part of the back before the bum crack starts.
"Pull 'em up Jeff, I can see your grooge!"
by Gingrel December 20, 2014
Very, very, very, very cute. Incredibly cute. Like. completely and totally ridiculously cute.
A box full of incredibly cute kittens is Grooge.
by Torch5987 May 24, 2011
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