Mo

a shorter version of mother Fcuker

Shut up you Mo!

by cait March 15, 2004

Mo

Short for "mother" or "mother fucker" used to show exajuration. (spelling?)

"MY TOE HURTS LIKE A MO ON HER BIRTH DAY!!!!"

"Duuudee"

by jake February 08, 2005

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.

by Mr. Twango February 28, 2011

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?

by krunky July 18, 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!

by Steve December 18, 2004

Mo

Short for emo, homo, lesmo, bimo, keemo, benson leiMO, MOnster, and other words with MO in it. Common examples are when Larry, Raymond, Crystal, Jon, Alvin, Simon, Jeffrey, Benson, RayLi, RayZ, Mary, Iris, Doris, and Ryan, are being dense. People that are MO usually do stupid things like yell out car windows screaming "WEST SIDEEEEEEEEE." Also, MO people are oblivious that they are mo, which makes them even MORE mo.

This is a word that originated in San Francisco. UH HEEEEEEEEEEEe

Larry: "I want to play with a Barbie!!"
Daniel: "Don't be MO!"

by dszeto1 July 11, 2008

Mo

A girl who alays like realy ugly or stupid or odd guys and is a slut and is already pregnant

U let him have some, but he's so ugly, ur such a mo

by Yada December 12, 2003