grundle game

Referring to the potency of an individual's grundle at any given point. Grundle game is produced, and at it's peak, after a sweaty workout with da boyz.

Bruh, I was reppin some mad grundle game after that workout this morning.

by Furdaboyz June 16, 2017

Grundle Rubber

One who enjoys to and frequently rubs another person's grundle.

Larry is such a grundle rubber, he is always trying to get his hands on mine.

by curuskie December 07, 2009

Grundle Knuckle

Grundle Knuckle is when the taint is rubbed or massaged to cause a dude to cum

Bruce was getting an old fashioned HJ and Stacy wanted to speed things up and gave him the old Grundle Knuckle to help him cum more.

by DanielleWhittier May 05, 2023