Mo 

A Mo is a codename for a morbidly obese person.

X: Hey check out that shit
Y: Yeah, thats one hell of a mo.

Mo by Mr. Twango April 4, 2011

mo 

a girl that is not extraordinarily hot but not completely unfortunate. if you're pretty bored one night, she'll do.

"Dude! that chick is hot!"
"Eh, she's mo."

mo by lani December 30, 2002

mo 

a big whore- or ho

that mo sucks a mean dick

mo by your mom May 1, 2004

MO 

A Male HO or a guy who sleeps around with anything with legs, most likely for either personal gain or as a recreational sport

"Dang, that guy is a MO fo sho!"

MO by snookie007 August 18, 2009

Mo 

Short for the emo. Used when describing those people who dwell on their "emotions" and expect everyone to feel bad for them.

Look at those 'mos over there, they think their lives suck, have any of them ever seen a 3rd world country?

Mo by krunky July 17, 2006

Mo 

A condensed form of the words man and ho. It is a man ho!

Dude, Bob is such a mo! He gets all the laidies!

Mo by Steve December 18, 2004

mo 

(verb)to shave off someone's pubic hair (short for mow as to mow the lawn)

lauren gave him a mo

mo by fulltiltmonkey September 6, 2007