muf

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"

by youre a muf November 22, 2010

Muf

Material Unaccounted For

"The missing nuclear waste is MUF"

by Randy Piper(aka Shit Goose) March 22, 2005

Muffed

A term describing something or someone is fucked up, but in a polite way, specifically, in public.

Dude, the other day, he tried something out and it was completely muffed up!

by Guilford309 July 12, 2011

Muffed

To be pussy whipped or handcuffed by the muff.

Jannette- "Did Liam stay in with his wife again?"
Nathaniel- "Ya, he's muffed."

by JoyRider August 26, 2009

muffed

To be heavily intoxicated and/or high.

Mikey- Dude did you see John at the party last night?

Tyler- No why?

Mikey- He was muffed!

Tyler- Damn!

by Lil Beetch May 3, 2011

muf

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.

by Zirik April 18, 2005

muffed

This is when a woman has been given pleasure by her partner through oral sex.

Man, have you ever muffed a girl?

by John Tong April 22, 2005