A phrase to describe a moment which you strongly disagree with, doubt, or dislike. Usually used by African Americans and said in a higher-than-normal yelling voice.
Person 1:" Wayne said he walked in on your girl Trina gettin' some from DeMarcus."
Person 2: Ah Hail Naw! Imma call
her up right now.
Person 1: Ah hail naw!
Person 2: What?
Person1: Chris Paul just nailed a jumper right over my man Kobe!