A goof or a silly person.
"what did the nose say to the hand?... SMELL YOU LATER!!!"
"...oh jeez, you're such a muff."
by MomosneakyXP April 15, 2010
the female genitals, the vulva
Wether she shaves her muff or not is none of your business.
by Light Joker November 20, 2005
An ungodly hairy cooch. A word to use instead of "douche bag" or "pussy" when insultind another individual.
STFU you muff! Fuck yourself in hell, you muff!
by G-Shizzle November 15, 2005
well, my friend THOUGHT It meant a cunt. but we came to UD & realized it meant a BIG HAIRY SMELLY VAGINA.
Cause you are long in the pants, short in the weina, sucking my MUFF like a vacuum cleana.
by muffbreath November 05, 2005
Oh my gosh! Kenny's a guy but he has a muff
by Bricky5O May 31, 2014
A comical saying, commonly used as an ending to an insult, includes the forms of muffing, muffed, muffs or muff-dick. It can be used as an expression of disappointment or disgust usually after a ugly bricked shot in a game of 4 on 4 Lifetime basketball or in the situation of guy getting rejected by the hot girl next door, who is also a slut. In noun form, calling somebody a Muff is basically like saying, wow you're an extremely lame asshole with no game of any sort. This phrase is used by teenagers throughout Minnesota and can surprisingly indicate joy or laughter when said in a easy-going predicament.
Joe to Dave - "Hey nice shot asshole! *Fart noise* MUFFFFFFFFFFFF!"

Dave to Joe - "Oh fuck you dude."

Jake - "Bro did you end up getting your ding dong rubbed by that slew next door?"
Armin - "Nah man, I thought I had her on lockdown but her dad was home."
Jake- "Hahahahaha muffffffffffffffffffffffffff"

Reggie - "Did you hear about the new shake-weight? It looks like somebody's masturbating when they use it."
Damian - "Oh no way hahaha, that's only something a muff would use."
Reggie - "Shit, these damn muffs are taking over the world nowadays!"
by Pizza guy 101 July 27, 2013
Mandatory ugly fat friend. Every hot girl you know in your life has one of these. They are often known has enforcers, body guards, and offensive linemen. Not sure the reasoning behind it, maybe the hot girls want to make themselves look better, but just always make sure you beware of the MUFF...
There goes another MUFF
by J ROG809 October 03, 2010

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