Urban Dictionary: butt fungus

You left the food in the oven, you butt fungus.

by Joel Joseph April 07, 2006

musrooms or moss that growing in or around the rim of your asshole.

Paul Durso has gnarly butt fungus.

by johann smelts January 26, 2009

Brandon has butt fungus and he can't get any dates!!!!

by brandon dinglehoff November 17, 2005

Discusting, moldy fungus, growing around, on, or inside a person's butt.

Doctor:I had a patient come in today with some nasty butt fungus, he asks if I would clean it for him. I said" Hell no!!!!!!!!!!!!"

by JOOOOOOOOOOSE January 17, 2010

A SUBSTANCE THAT EMITS FROM THE MOUTHS OF POLITICIANS AND SMELLS VERY MUCH LIKE ASS

THE DEMOCRATS ARE TALKING BUTT FUNGUS A LOT THIS WEEK

by PICKLE PIRATE January 28, 2010

school yard taunt. Denotes the person is icky

"that Tommy is a crusty finger fungus butt"

by Peter Rothe March 06, 2008