Skip to main content
someone who does not know the meaning of the word is a muf, until you know what it means you are one.
fred: "what's a muf"?
george:"you're a muf"
muf by youre a muf November 24, 2010
Related Words
Material Unaccounted For
"The missing nuclear waste is MUF"
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.
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.
MUF by MCLIV January 14, 2010
Multi User Forth

Advanced coding language used on MUCKs. When used by Zirik, it causes flooding.

MUF is frequently used when MPI proves insufficient to perform a desired function, as it has much greater capabilities. However, most consider it more difficult to learn.
Zirik wrote a program for underwater realms in MUF and inexplicably drowned the entire population of the MUCK.
muf by Zirik April 18, 2005
Material Unaccounted For

Usually a term referring to forsaken nuclear materials. MUF is also something that black marketeers happen to get their hands on. Scary...
"MUF?"
-Solid Snake

DAVE GROSS'S (that's me ^_^ ) EDITTED VERSION:
"MUF? You mean pussy?"
-Solid Snake
"No you nitwit!"
-Kenneth Baker
MUF by Dave March 30, 2004
muf is your butt
Does muffin have a muf on his muf

Sit on your muf.

Nice muf cutie lol fuck that one.
Muf by This is the real muffin June 13, 2016