A fool, idiot, moron, retard.
You left the food in the oven, you butt fungus.
بواسطة Joel Joseph إبريل/نَيْسان 7, 2006
A disease of the ass
Brandon has butt fungus and he can't get any dates!!!!
بواسطة brandon dinglehoff نوفمبر/تشرين الثّاني 17, 2005
A slang term for "Chronic Anal Candidiasis", or in infection caused by a fungi growth on the anal pore. Not unlike a yeast infection, the symptoms include severe itching/burning and a smelly fuckin' white discharge.
"Dude, I can smell your buttfungus...you should have that looked at."
بواسطة Colonel Turdburglar يوليو/تمُّوز 22, 2005
musrooms or moss that growing in or around the rim of your asshole.
Paul Durso has gnarly butt fungus.
بواسطة johann smelts يناير/كانون الثّاني 26, 2009
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!!!!!!!!!!!!"
بواسطة JOOOOOOOOOOSE يناير/كانون الثّاني 17, 2010
The redness of the arse.
OMG you are as red as the irritating skin from the babies diaper that caused buttfungus!
بواسطة Optical Illusion يناير/كانون الثّاني 25, 2011