No Middle Name. used on school report card to show that a person does not have a middle name. Used most commonly on Asian people.
ho, sam nmn

to, vimin nmn

xu, tom nmn
by Rick Chez January 13, 2007
Top Definition
Term used to describe a girl who is just plain NASTY but not in the "infested with diseases type" nasty... just viciously NASTY! Often, people have lovingly applied such letters as an initial for someone who is Nasty as in Nasty McNasty... or Nancy McNasty!
Daamnn... did you hear what that NMN just said?? That was just straight-up NASTY that I can't even reiterate what she just said!
by Refrigerator Bandit February 03, 2010
No My Nigga
Tyrone: Yo let me get your car keys
Craig: NMN
by MindGames!!!!! October 27, 2010
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