UMF

Unstable Mother Fucker

Wow He's A UMF, Thats How A UMF Does It

by fuckingstud December 29, 2007

UMF

fucking gay ass college located in Western Maine.

So where do you go to college?
I go to UMF, Guy..

by Cam Therieault May 7, 2005

Umf.

Something you say when you find someone really attractive. Often used commenting on photos on the internet.

Girl: Omg, look at that guy!
GBF: Umf.

by tansjord933 February 7, 2012

umF

verb

to 'do' (wink wink nudge nudge), to hump, to have sexual intercourse with

see Pallida

"I want to umF Pallida"

by M4nd4 January 22, 2003

UMFS

An organization of businessmen and crooks, that exploit abused children for money profit

I got abused as a child, and then I was sent to UMFS where I got further traumatized

by angel cakes 99 November 23, 2019

UMFS

An non-profit organization of businessmen and crooks, that exploit abused children, for money profit

I got abused as a child, and then I was sent to UMFS where I got further traumatized

by angel cakes 99 November 23, 2019

UMFS Sheppard

A piece of shit, originating from UMFS, with pieces of corn and black beans stuck inside of it. It smells really bad and usually clogs the toilet.

dude 1 - "Dude, why does the whole house smell like rank shit?"
dude 2 - "because I ate a nasty empanada and took a UMFS Sheppard"

by the dirtiest sanchez ever November 21, 2019