Mo 

A fly character also referred to as BDK. Smart and clever which is why he always puts down laith. look up laith definition. usually of African decent. never takes NO for an answer.

yo look at that dude man he's so mo.

Mo by nappa man K June 10, 2009

Mo 

A white male nigger lover from the boston area who says r at the end of every possible word. He gives JUG for eating in class, and is most likely jewish.

kid: is that mo?
kid2: dude thats so mo! he has a black wife!

Mo by shizznit May 18, 2004

Mo 

Mo is another way of saying no, just cuter and better.

"Mo!" said Sally the five-year-old "I won't cwean my woom!"

"Mo way! You are way cuwter than my ex!" said John to Tasha in his cutesy girlfriend voice.

Mo by smahteepants July 20, 2009

Mo 

A slow person.
Short for Mo-mo.
...Idiot...

I can't believe he just said that. He's such a mo.

Mo by bizrisi February 11, 2010

mo 

A group of hairs (partly shaved) on a upper lip.

OR

A guy that is not exepted in any griop that just happens to have a mo

LOL thats right mo suc it

mo by MOMAN February 18, 2004

mo 

*pimp wanna be
*bitchass at times
*Nas's lover
*nas's lil SeNiOr
*my protector
* soooooooo flipppin sExy in his "sexy man shirt"

im obsessed w/my mo according to little girls that want him but will never have him :)

mo by NA$ October 31, 2004

Mo 

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

Mo by blah blah January 4, 2004