grundle pumper

(n) a grundle pumper is a person who enjoys playing with other people's grundles during sexual relations. (see 'grundle')

"Hey man why doesn't that kid get girls?"

"Because man, he's a total grundle pumper"

by Phil_M August 21, 2011

Grundlebumpers

A male rubbing ones own grundle with another males grundle, behavior closely associated with two males giving up sexual realations with women to play " word of Warcraft " or " Aion "

Matt and Greg are the biggest grundlebumpers in the world!!! They would rather play Aion then go out and get laid

by Imperial18 October 2, 2009

grindlepumper

another word for baby as it/they grindle at one end and pump at the other

cripes, she's acting like a real grindlepumper!

by poodlewrestler June 29, 2005