Muff 

A word used to insult or title someone idiotic, douche bag-esque or disliked for any reason.

"You're a muff!"

"What a muff!"

"That kid is such a muff"

Muff by Malcom Little March 10, 2008

MUFF 

Mandatory Ugly Fat Friend

Is she your MUFF?

MUFF by whitesky April 20, 2010

muff 

an Individual perceived by others to be an extreme loser or idiot. Also pertains to a person who does something stupid.

"Way to drop the soap TBeeker, Yah muff!"

muff by Talon "Loosepack" Beek March 7, 2009

muff 

to smoke weed, can be used as a verb and a noun.

"That muff was so good I am so muffed up now."

muff by Lisa August 24, 2003

Muff 

to give oral sex AKA muff divin

"its kinda like muff diving

Muff by mike hunt- bmxboard March 9, 2005

Muff 

Acronym for Mandatory Unwanted Fat Fuck.

Frank had a Muff that night he was drunk! Ha!

Muff by Matt Prather April 9, 2006

muff 

town/village in County Donegal, Ireland. One of the most northerly towns on the island of Ireland although it is in the south! c.f. political situation in Northern/Ireland. It is on a peninsula and belive it or not diving is popular!

You fellas goin divin in Muff this weekend?

muff by marcu December 28, 2005