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

by D.S.B. November 27, 2016

by Scissor with taints January 17, 2009

(n) a grundle pumper is a person who enjoys playing with other people's grundles during sexual relations. (see 'grundle')
by Phil_M August 21, 2011

Ted: Last week I gave John such a wicked grundle dunk.
Bob: I wish Peter would let me do that to him.
Bob: I wish Peter would let me do that to him.
by LL Cool Beans November 5, 2009

by tegro, el whisky drigger September 4, 2006

like a little mythical creature likes your ball hair. especially matt's. KMS! it is small and turdlike with beady corn eyes.
by Tayboy January 11, 2009
