M.O. 

Abbreviation for make out.

See that chick over there. I totally M.O.ed with her on the dance floor.

M.O. by crobot July 29, 2005

M.O. 

M.O-verb. commonly referred to as making out. Thus by combining the M and O of making out one creates MO. Pronounced like MOW, or MOE.

MOING, MOED, MO.

"holy cow look at rebbeca and tom, they're totally going to M.O."
"oh now they're MOING"

M.O. by amilli78693 August 20, 2009

M.O. 

moral obligation

Man that's not within my M.O. to rob.

M.O. by Tank dog February 14, 2010

M O 

Make- Out

To Make Out with someone say M O for short

"Yo you wanna M O Bitch"

M O by Richard Moss January 9, 2009

M.O.  

The abbreviation for the words multiple orgasm. Said when something is so indescribably-delicious, it gives you a feeling like no other.

After sampling a taste of Robert's decadent dessert, "Chocolate Heaven", I was so overcome, that I closed my eyes, smiled, and thought M.O. - mmmmmm.....

M.O. by felinegroovey January 7, 2009

m.o. 

someone who is morbidly obese

"haha look at the m.o."
"you guys, that sucks... its not HER fault she's fat."
"...that's a guy?"

m.o. by zbj June 13, 2007

m.o. 

means your special as in your crazy, wild, retarded.you dont have a care in the world and you act that way. all negative

yo, that dude is m.o. you didnt see how he ran up on that kid and just slapped him

m.o. by cheli-chel January 13, 2009