ugmo 

Ugmo -noun
pl-ugmos

An ugly monster. Lisa Simpson once said it.

Jen:

"some of them are gorgeous, some of them are plain, a few are ugmos"

Or, from The Simpsons:

Lisa: I'm an ugmo.
Homer: Now, that's not true. You're cute as a bug's ear.
Lisa: Fathers have to say that little stuff.
Homer: Dad, am I cute as a bug's ear?
Grandpa: No. You're homely as a mule's butt.
Homer: There. See?

ugmo by Thomas D April 16, 2006

ugmo 

a relatively unattractive female considered hideous to even people with virtually no standards.

WILHELM: do you guys think my girlfriend vera is hot?

COLIN: you mean that hideous goblin over there?

CARL: dude, calling her a goblin is flattering, shes a fucking ugmo!

ugmo by ronnie_e July 30, 2010

ugmo 

ugly mother fucker, these are the two words combined to form ugmo.

man that mattew deveraux kid is a fukin ugmo

ugmo by raaal April 6, 2005

ugmo 

Abbreviation for ugly motherfucker used to describe a person or object.

I'm not sleeping with him; he's ugmo.

ugmo by Elaine October 17, 2001

ugmo 

A combination of "ugly" and "motherfucker" Proudly thought of by the Newby/Howard family

"Quit being dumb ugmo"

ugmo by J. Newby October 20, 2004

Ugmo 

Really ugly loser who keeps staring at you, and is the type you wouldn't touch, much less date.

Who are looking at UGMO?

Ugmo by kasmisan June 15, 2010

Ugmo 

Someone that gets ulgy more and more by the day.

Look at UGMO over there, now he know he need to get them teeth fixed and remove the jerrycurl juices from his head.

Ugmo by S!ngle_2k November 19, 2003