A strong odour coming from one's behind.
Trevor just let out a huge butt funk
po Bob Sachet Април 18, 2006
Can you define these popular missing words?
Term used to describe one’s foul odor emitting from the anus. Also used to describe other foul odors not necessarily relative to the butt.
Stan reeks of butt funk because he's dirty.
po Dominic5160 Април 14, 2006
the unpleasant aroma that eminates from the crack of an unwashed buttock
bitch you need to wash that buttfunk from yo ass!!!
po crazy68 Август 31, 2009