MOS

Mom over shoulder, often said in AIM to keep the reciever of the message from saying something particuarly "nasty" or "questionable"

DarkBob101:MOS
UT4k2:What the hell does that mean?
Darkbob101:Too late...

by Connor September 30, 2004

mo

stands for make out

My boyfriend and I totally moed at the river yesterday for like 2 hours.

by skizzylizzy June 27, 2008

Mo Mo

Mo Mo Is Your Average Savage Her Real Name Is Molly But She Think MoMo is So Cooler . Mollys Best Friends with lots of people but she loves Carlee the most . Anytime there's a Molly around you be friends with her all she does is make a Blonde look dumber along with her bestie Carlee . Molly Is The Best

Carlee:I Love Molly

Molly:Why

Carlee:Cause Your A Land Shark and a Mo Mo Shark

by Dudeimthebest2246 June 11, 2017

mo

Short for Moustache.
Esp. a ridiculous one...like wassisname from The Darkness/Paul Thompson from Franz Ferdinand

ehehehehehe! He's got a pimp mo!

by Pretty Vacant May 17, 2004

mo

A mo is a certified time period that states no specific time length.

Player 1: I'll be on in a mo.
Player 2: Okedoke!

by Pugzli April 21, 2019

mo'

Slang for mobile phone

You have latest mo', right?

That's right!

by succm May 8, 2023

No-mo

1. A non homosexual that is cool with whatever your gender and orientation is but is completely straight.

2. A homosexual or bisexual person acting straight or as an exaggerated version of their gender at birth.

1. Dude dont even try im 100% no-mo

2. Damnit every time we go to a bar paul acts like a fucking no-mo.

by Thespudone November 24, 2020