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1.
MTO
Media Take Out - Popular black gossip website
MTO has some good stories
by Because of Oz December 27, 2007
 
2.
MTO
Acronym for Masturbating tabbed out. Usually refering to being out of game screen and unable to see chat due to the need for self gratification. Usually accompanied with watching internet porn.
Brb, Mto.

Again!? didn't you just get off?
by Lagsalot April 25, 2010
 
3.
MTO
Multiple Tongue Orgasms - the burst of flavor you get when biting into something delicious.
"Have you tried that apple pie yet? MTO's all the way, baby'
by Shekhina November 30, 2008
 
4.
MTO
Acronym for "Man Talk Organization". A group founded by 5 viet dudes.... and tuan.
I think those guys in MTO are so hot.
by sonsterz April 20, 2008