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1.
MW
Abbreviation for Man Whore; derives from men who are complete whores (especially freaky rapist-looking men).
Meg: Yo, Travis is such a MW
Karen: Foreal, dannnng.
by meghan0nicole May 02, 2005
 
2.
MW
modern warfare, a game in the call of duty line
1:oh shit, do u have MW2?

2: lets game this bitch up.

1: hook up the fucking internet cable

2:fucking shoot him

1&2:ahhhhhhhhhhhh
by best gameer in the world November 28, 2009
 
3.
m-w
Short for Merriam-Webster, it is the online version of one of the best selling companies for dictionaries and other language guides.
I couldn't find my normal Merriam-Webster dictionary laying around, so I checked out m-w online!
by Conexion July 19, 2005
 
4.
MW
Morning wood, an erection that is still raging after you've woke up
If i have MW i usually wait in my room and try to think about my granddad naked so my MW goes away
by tory borty May 07, 2013
 
5.
MW
A beautiful, sunny, warm (maybe even tropical) day, as in "Margarita Weather". Perfect for sitting on a shady porch with a view and sipping one's favorite icy beverage listening to some refreshing tunes.
Jack: sup at your place?
Jimmy: man, total MW here today, gonna hit the beach and then drinks at Fuzzy's.
by Tommy the Kid April 12, 2008
 
6.
MW
1). When a girl is so hot and worthy of a good fucking, you would fuck her pussy into oblivion. Afterwords her pussy is completely and utterly mutilated, sometimes a pile of mushy uncooked flesh, aka Mutilation worthy.

2). When a girl is so hot, if you were ever given the chance to fuck her, you would fuck her pussy until it looks like it was mutilated
*hot girl walks by

Guy 1: Dude...MW
Guy 2: hell yeah dude I would MUTILATE THAT PUSSY!
Guy 1: fo sho
Guy 2: mmmmmmm MW pussy
by D3m0 September 10, 2012
 
7.
mw
mw is an abbreviation of "My word!" often used when you're shocked at someone's stupidity.
bob: but he sed tht u wud du et
jon: mw you're retarded
by Oogzy October 15, 2011