Definitions by slipperysl_hoe_pe

grundle butter 

A build up of sweat and unwashed buttcrack that results in a sticky, buttery poo-paste that may stain underwear or make it difficult to wipe successfully.

"Oh man, I keep wiping but there's just so much grundle butter! Maybe it's time to see a doctor..."

grundle butter by slipperysl_hoe_pe November 29, 2018