MO

Morbidly Obese

If you are 100 lbs over your ideal body weight. Have a Body Mass Index (BMI) of over 40. Or in other words are "rather large!"

They really shouldn't have "all you can eat" places! Too much of a MO hangout.

by TheCraw2 September 21, 2009

MOS

Stands for Ministry of Sound, a highly successful nightclub in London where they play electronica and stuff.

person a: did you get that mos annual cd?
person b: why dont you go to my amazon wishlist and buy it for me
person a: ok!

by Steven Bao August 3, 2006

mo mo skat

An old dried up cunt with no visible means of support.

That mo mo skat don' scammed my stepfather out of his house.

by poopystack June 24, 2006

mo

short for moron

Tell your boyfriend to stop being such a mo

by liljojo June 11, 2010

MO

1. Modus Operandi (method of operation), how you do something

2. Multiple Orgasm

1. The killers MO was drowning his victims

2. "I gave Krista the best sex of her life last night. She totally Mo'd."

by Changsta December 28, 2005

mo

Abbreviation for "moment"
Similar idea to "min" shortened from "minute"
Same as "tick" also.

I'll be back in a mo'/I'll be back in a min/Back in a tick

by PPLPerson June 22, 2006

mo

Noun.

1a: Short for homo, which is short for homosexual.
b: Used as a derogatory term for people who are behaving in a "homosexual"* manner.

Adjective.
1: Used to describe someone who is behaving in a "homosexual" manner.
2: Used to express distaste for something.

syn-gay. homo. fag. queer.

*The term "homosexual" is often not used literally. People use the term loosely to refer to anything that they don't like.

Noun:

Dude, Rob is such a mo because he's wearing lime green sweatpants with a pink stripe down the side.

Adjective:

Joe: Hey dude, are you coming to the football game tonight?
Rob: I can't--I have to do a report for Bio.
Joe: That's mo.

by Jerk The Mom December 2, 2003