When a man pulls his scrotum over a ladies face and places his butthole directly over the nose. Said man than proceedes to fart mercilessly. The spreading of the ball sack makes a perfect "mask" over the womans face and forces her to deeply inhale any anal flatulence.
by Professor Poops May 4, 2006
A sexual position when a girl goes ass to mouth to the guy , and the guy holds her head while he farts in her face.
by That kid Dan From Philly May 20, 2008
The process of putting an oxygen mask on someone and farting inside. So much to the point they suffocate.
by Nick2190 May 13, 2016