Mo

a person who has no personality, or the act of havingno intelligence what so ever

a joke that everyone clearly understands, a Mo would say something like OMG get it... wicked delayed

by cjh26 August 20, 2010

mo-mo

A term used to describe a moment of sexual tension between two homosexual individuals. Usually denotes that the attraction was not acted on.

Female: "Alison totally had a mo-mo with that cute chick at the gay bar."

Male: "Mark and I had a mo-mo in the locker room"

by Katethegrape May 13, 2011

mo

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 5, 2005

Mo'

Abbreviation for Moustache

1 - Hey, man, I'll bet the chicks love your mo'
2 - Pedro in Napoleon Dynamite had a cool mo'

by wacky_d January 13, 2006

'mo

shortened form of "emo". used as a derragatory term for kids who listen to emo

See that kid over there with the chopped up hair and fat, ugly girlfriend? He's pretty 'mo

by rsktod January 8, 2005

A-MO

The ripped off edge (where the perforation is--the smaller side) of a piece of paper from a spiral notebook.

Teacher: Please take the A-MOs off your papers before you turn them in.

by Devin Stavo Leopold March 28, 2008

MOS

Man on the side; meaning a man you have secretly in addition to your current relationship. Sometimes developes into a boyfriend/girlfriend relationship.

I'm going to LA to meet my MOS for a great weekend away from the hubby.

by Cali 521 August 19, 2008