Mo

When a person says no, while trying to speak with their mouth full of food.

"Do you want more pizza?"
"Mo!"

by The4ofSpades November 30, 2014

Mo

Mo

Mohannad

by Abuelyas August 28, 2015

Mo

A dumb person

I have a friend that is a Mo

by Abruptduskyspinach May 30, 2016

mo

A word that can be used to express almost any negative feeling. Its exact meaning depends on the context, its function is to emphasise the current feeling of the individual who is using it. It can mean sadness or disappointment but in some cases it can also mean sympathy or even astonishment.

Other form of it is "mooo" wich means an intense bad feeling

"Mooo! I have a very bad headache. I feel like im dying"
"Mo, i feel you, bro. Hope you'll feel better soon"

"Why im i still single?"
"I dont know. Im single too. Mo..."

by flying_toaster_ February 14, 2017

Mo

Someone who is unique and sexy.

Omg....fuck look at Mo sexy ass I just wanna.....uhhhhh

by Nyagirl1234 April 1, 2017

Mo

A fat black boy with no hairline who keeps talking about Porn. :)

Mo~ "Hey, I was masturbating to Porn. I like the white girls.
Me~ "That's okay...? That's straight-up weird Mo."
Mo~ "BITCH! SHUT UP!"
Me~ "Dude your voice is killing me... you talking about porn makes me wanna kill myself".

by Neo Jr. July 24, 2017

Mo

A Chill, Lazy, Funny, and sometimes annoying guy! A gamer, player, and a hugger! A Mo is someone who has an amazing personality and a great person to have as a friend!

That Mo Guy is a really great person!

by MohamadGamez May 5, 2017