This is a much stronger and more elaborate use of the word no or na, it is usually used when angry and a loss of words comes to mind, this signifies no and rage, and a sign of short patience all in one
Kid: whattup douche
Kid 2: whattup man...
Kid: why is u such a fag bruh
Kid 2: .... Naaaa im just about sick and tired of your mouth
by THE-HEAD-CHEF February 7, 2011