if u are referring to a blood, and u dont no their name or if a crip call u cuz, u can respond back wit mo'
wut u doin cuz? Im chillin mo'
by christy j February 28, 2008
MO is a word used to describe the feeling you get when a person is just chilling, typically on a couch, in a car seat, or in class and you get a sudden urge to subtley jerk into movement. Some poeple call this "getting the chills". However, the deal with MOs is that if you get 8 in one 24 hour span, you have officially had an orgasm. Bryan Matt coined this phrase.

Maura: Wow! I just got the chills.
Bryan: Hey Maura, do you know what you just had?
Maura: No.
Bryan: You just got a MO. 7 more and you are good to go.
by Team Baby Bubbla February 14, 2008
A name for someone who is socially awkward (i.e. suggests morbid inner thoughts and awkward conversation topics) and has a tendency to screw things up, known as "mo"-ing, or "mo"-ing up.
If someone left a glass with water outside in the winter and it cracked, then they mo'd it the fuck up.

if someone breaks a valuable possession (i.e bong) in the process of doing something they think is good for it (i.e. cleaning) then they mo'd.

Mo example in speech:

person 1: "... so then he said-"
person 2: "-hold on a sec, i have to go take a shit. come to think of it, I might eat some food while im in there. Im thinking bananas and club soda. be right back."
person 1: " fuckin mo."
by frazdizzle November 06, 2007
Short for mom, although mom is pretty short already. Whatever.
Hold on, I gotta call my mo.
by sea turtle May 13, 2007
Someone or something that sucks, is annoying, or is frustrating. See also moped.
You told my boyfriend I hate him? You're such a mo!

Guy 1 : I just lost my job.
Guy 2 : What a mo.

by debbi domination November 02, 2006
short for Homosexual, synonymous with the term fag or homo. Usually used as a derogatory term for one's friends
Don't be such a
by Hackmaster J September 11, 2006
The deuce left after a Chad Mo
"I gotta go drop a Mo", "Man, that was some serious Mo I left in the toilet." or, in distress, "No, no Mo!", "That Mo really ripped my ass"
by Gregaria August 17, 2006

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