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3.
NMM
Not marriage material
Persons who have been riding the Merry-go-pound for too long and have developed the See-saw-syndrome.
by Cyn March 18, 2004
 
1.
NMM
Nude Mutual Massage
by Anonymous October 24, 2003
 
2.
NMM
Not Much Man
Him: sup man?
You: nmm
by pcmattman June 24, 2011
 
4.
A racial slur. Literally means "Niggers Make Me Sick!"
Man 1: NMMS!!
Man 2: wait a DAMN minute...
by Tubercluisosis June 21, 2009