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20.
NAH
Non-Apple Hardware
I really wish Apple would scare the stock value out of Microsoft by simply pursuing OS X "availability" on NAH.
by Unspellable July 15, 2009
 
15.
nah
A geordie (Newcastle) word for know.
I don't know

"I divint nah"
by Simon December 14, 2004
 
16.
NAH
Can be used as a statement of refusal or can stand for nasty as hell.
"You see that girl over there? Shes effin NAH "
by Consuela la Plata December 27, 2007
 
17.
nah
Two meanings, can be used as no and know.
When is your mams birthday?
I divn nah I dont know

Are you going out tonight?
nah no
by Sarah*L* September 27, 2005
 
18.
nah
nah - a different word for no. usually followed by mate.
have you done your homework? Nah mate trust i aint done it!
by rudeboy March 16, 2005
 
19.
nah
(pronounced: "Nyah")

slang, translated as "now..." or as in "NOW, what?!?!?" (are you going to do, about it), used in a sentence, for a forced, statement of definite arbitration, to drive a point, home.
"I don't care what the judges said, I won- ..nah!"
by OPX4026 September 17, 2009
 
21.
nah
In the greater part of Canada (In Winnipeg, Manitoba aka Nateville, to be more specific), this is a term of exclamation, dismay, agreeance or just general apathy utilized by many of the native populace.
Tim Horton's Worker: "Hi! Which donuts did you want?"
Nate #1: "Glazed, sprinkles... or... chocolate..? Nahhhhh, just plain glazed. Nahhhhh."
by Da' littlest BN March 15, 2008