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15.
nm
Quite possibly the most annoying "Word" knows to the "English speaking nation." shortened, or "1137" way of saying "Not Much."
Its just that our time has gotten to lazy to type nothing much, which is stupid because if your not doing anything you should be able to type "Nothing much".
Me;Hey
loser;hi
me;Whats Up?
loser;nm
Me;Why don't you just type nothing much you loser.
by Samanthaa* August 28, 2007
 
16.
NM
Nothing Much
NM What Are you doing
by techmaster16 July 03, 2014
 
17.
A nigger moment; acting very niggerish for a short period of time.
God damn it Ivan! Your so god damn black! Stop having an N.M.!
by Borock March 10, 2007
 
18.
nm
This is one of the many annoying "chatspeaks" that illiterate dumbasses use because they can't take the time to write it out.

If not much is going on, can't you take time out of your boring life to type "not much"?
Bob:So, whats up?
Bill: nm
Tiek: Can't you take the time to type out "not much"?
by Tiek October 30, 2004
 
19.
nm
Shorthand for Nothing/Not much.
Person 1: What's up?
Person 2: nm
by Bri March 08, 2004
 
20.
nm
internet abbreviation.
nm = Never Mind.
A: Did you bring the car?
B: er...
A: nm.
by timothykhoo September 17, 2004
 
21.
NM
A police term used for Negro Male.
We got a 459 NM in progress. (burglary)
by trigon August 22, 2003