1)Short for mom
2)Short for more
3)Short for moron
4)nick name
1)But MO!
2)I'd like some mo, please.
3)Shut the fuck up MO!
4)His real name's marcus, but we call him mo
by Sylk Cream October 05, 2005
A group of hairs (partly shaved) on a upper lip.


A guy that is not exepted in any griop that just happens to have a mo
LOL thats right mo suc it
by MOMAN February 18, 2004
Morbidly Obesse
Look at that mo over there.
by andi January 16, 2004
a big hairy baby (AKA a full grown man who wears tighty whities)...Oh right, his back is hairier than his chest.
those guys at starbucks
by blah blah January 04, 2004

1a: Short for homo, which is short for homosexual.
b: Used as a derogatory term for people who are behaving in a "homosexual"* manner.

1: Used to describe someone who is behaving in a "homosexual" manner.
2: Used to express distaste for something.

syn-gay. homo. fag. queer.

*The term "homosexual" is often not used literally. People use the term loosely to refer to anything that they don't like.

Dude, Rob is such a mo because he's wearing lime green sweatpants with a pink stripe down the side.


Joe: Hey dude, are you coming to the football game tonight?
Rob: I can't--I have to do a report for Bio.
Joe: That's mo.
by Jerk The Mom December 02, 2003
a skinny piece of garbage who cannot get laid, see also rapist or stalker.
The mo could not get laid so he stalked and then raped a girl.
by ted June 13, 2003
A stupid fucking cunt that needs to consider getting on some hormone pills to help manage her manly voice, bushy ass facial hair, and help her drop her whale weight.
Did you see that fugly chick?

That was a chick?!

Naw... It was a Mo!
by BecPaper August 17, 2009
shortform for homosexual; usually used by a homosexual or their fruit flies.
oh, my god..that boy is such a mo
by BC Layton April 13, 2008

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