A Having Ass Nigga is someone who always tryna be in the mix, always tryna ride a wave. Having is not to be confused with a Having Ass Nigga. If you Having, you and yours are chilling, but if you a Having Ass Nigga you out here tryna come up off somebody. Originates from the one and only @Somegodx. Peep that Soundcloud.
Mans Billy a havin' ass nigga, he always tryna get put on and shit dawg.