A sexual partner who finds his/her hand's way to your gooch/taint/abc/grundle and starts tugging on the hairs.
Isaac: Dude I heard you banged that minx Scarlett last night, she's so hot!
Rudolph: Yea but I'll never do it again, she's a grundle gripper.
Rudolph: Yea but I'll never do it again, she's a grundle gripper.
by The Real Prince July 26, 2011