NAC

An acronym defined as Niggas Against Crime. In the lesser used form the "C" may be replaced with communism, crack, cholesterol, etc.

Ya'll going to da NAC 5k this weekend? Niggas be hate'n crime. Raise awareness with DAT 5k.

by foxtrot 84 May 17, 2013

nac

To beat up

I'll nac you.

by Brringo March 1, 2022

NAC

Niggas Actin Crazy

Person 1: "those niggas were wild last night."

Person 2: "that's cause they're NAC"

by justgivemeaname757 April 26, 2009

Nac

Something a lot of Next Recovery members do to get know in the community of call of duty.

Omg I just f*cking naced on the kid across the map

by SubtoBeachy February 1, 2018

Nac

A nicotine snack.

"Hey you wanna go to the bathroom for a nac?"

by 221235HnC May 11, 2020

nac

used online for bullitens and blogs short for "Not a Chain" because chain letters are posted a lot

(Bulliten title) "OPEN THIS! (nac!)"

and then inside they post what they really want to say

by DannyFannyDAnimal March 17, 2008

Nac nac

really a motocross term but now is a word for cool kids only can be used to replace knock-knock in a joke or can be used as a response for anything
if ur name is not kelsey/kylie/momo/kristen/josh...u killed it

NAC NAC
whos there?
jp
jp who?
BONER!!!

by Kelsey aka Hooker September 1, 2008