Also known as Swamp Ass. When the area between your anus and testicles get sweaty, the sweat you get is now Gooch Grime.
Friend 1: "Bro, I was playing MW2 so long, I started getting gooch grime"
Friend 2: "Man, that's fucking nasty!"
Friend 2: "Man, that's fucking nasty!"
by ASillyLittleGoober March 13, 2023