by elly zass November 28, 2009

when someone sitting on a piece of furniture (couch) farts and stays sitting down (not getting up at all) causing the fart to be held within the furniture
by jamankita October 19, 2010

someone who does not know the meaning of the word is a muf, until you know what it means you are one.
by youre a muf November 24, 2010

Material Unaccounted For
"The missing nuclear waste is MUF"
by Randy Piper(aka Shit Goose) March 21, 2005

by Guilford309 July 12, 2011

by JoyRider August 26, 2009

MUF -
Abbrieviation of "Make-Up Failure".
For those girls who slap on the bronzer, and foundation, for those girls who have abnormally rosey cheeks, and for those girls who have eyes as black as the night.
Abbrieviation of "Make-Up Failure".
For those girls who slap on the bronzer, and foundation, for those girls who have abnormally rosey cheeks, and for those girls who have eyes as black as the night.
1)
Girl 1: HAHAHA Did you see Jenny today?
Girl 2: Yeah, i mean what a MUF!
2)
Boy 1: I fancy some girl in my maths class... but i don't know what to do, she's such a MUF.
Boy 2: NO MAN, you can do so much better.
Girl 1: HAHAHA Did you see Jenny today?
Girl 2: Yeah, i mean what a MUF!
2)
Boy 1: I fancy some girl in my maths class... but i don't know what to do, she's such a MUF.
Boy 2: NO MAN, you can do so much better.
by MCLIV January 14, 2010
