MUMF 

MUMF

(n.) abbreviation

Mean Ugly Mother Fucker. Usually referring to a gentleman of large physique, generally over 6ft with a Viking/biker like appearance, often astride a motorcycle.

When no riding like a twat can often found in biker bars, drinking copious amounts of alcohol and leading a life of debauchery and mayhem.

In conversation

"Who's that big chap over there, hitting people?"

"Oh, it's a MUMF, best not to fuck with him"

MUMF by A Mumf February 3, 2010

mumf 

(n) a fat vagina. usually used to describe a visible fat vagina through overly tight clothing on women.

ew, that girls mumf is sticking out.

mumf by henrik3x3 April 29, 2011

mumf 

verb
to mumf
the activity of sniffing ladies bicycle saddles
Royal Navy slang.

Q. "What's your hobby?"
A. "Mumfing"

mumf by parmaman July 4, 2009

mumf  

(n.) abbreviation
Messed Up Mother Fucker

You did what?! You're such a mumf .

mumf by Markus Filamigo January 19, 2008

mumf 

Function: Adj.

Inflected forms: mumfed,mumfing

Definition:
a. To screw something up beyond all hope of recovery or repair

b. An attempt to undo a clumsy action or poor decision that actually results in a more catastrophic result than if the original action or decision had been allowed to proceed.

A.
Bob: "Did you see me spin out on turn 3"

Dave: "Yeah, you totally mumfed it"

B.
As the coffee cup fell towards the ground he lunged forward to catch it and accidently kicked it through the glass window.

mumf by MadMatt April 10, 2008

mumf 

massive ugly monster fanny
a fat possibly smelly vagina

I bet she’s got a mumf

mumf by Anonymous112374659 September 1, 2020

Mumflr Marshal Fumperdink 

A spittoon lovin' darn tootin' ole adventurer from Boring Springs.

Accompanied by Gary the Goblin and a looney tooney horse, he travels the West as both a snake oiler and a cow puncher whilst gracefully fending off skeletons, clowns and hat-wearing bandits. What a man.

Guy #1: Who in tire nation is that feller over there diggin thru the spitton?
Guy #2: I gots no idea. What a Mumflr Marshal Fumperdink.

Mumflr Marshal Fumperdink by Minzus February 1, 2021