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
Get the Grundlebumpers mug.when u unleash a massive load of fuck your shit up all over some stupid asshole who is trying to mess with you in any way.
you have just been killed and tea baged in halo 3 on xbox live.
you:"what the fuck was that, did that huge fagot just teabag me? oh hes fuckin dead im gonna unleash some GRUNDLEMAYHEM on his stupid ass."
you then go on to dom the shit out of him killing him like 18 times making him quit halo3 forever and put his family in shame for many years
you:"what the fuck was that, did that huge fagot just teabag me? oh hes fuckin dead im gonna unleash some GRUNDLEMAYHEM on his stupid ass."
you then go on to dom the shit out of him killing him like 18 times making him quit halo3 forever and put his family in shame for many years
by wow hes a faggot January 14, 2010
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by Utah Resident October 26, 2011
Get the grundle mug.When the cheese from ones grundle builds up and dries. Often is the result of perspiration that goes without cleaning.
Parker hasent washed his grundle in two weeks. As a result his Grundle Feta can be smelt from across the room.
by McGundle November 18, 2011
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I was out n Motown the other night, and the next thing I know my draws are off and I'm laying on the bar as people were doing grundle shots off me; I guess they didn't mind the stench from the hot yoga sash I just came from.
by Frumpdidileeumpkiss July 10, 2016
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