Wagonface's definitions
Mung, as far as I am aware, is the mixture of shit and semen. So a mung fart is a fart expelled following anal sex.
"I went into a gay bar to ask for directions, and it really stank in there. Must have been lots of mung farts in the air."
by Wagonface August 18, 2006
Get the mung fartmug.