When a grown ADULT does something thats lower than a "Bitch Nigga" (see Bitch Nigga). Possibly the acts of a child, from a grown ADULT. A Snitch
Earl: What happened to Chris did he move out?
D: Yeah, he started breaking my dishes, and throwing a fit because I wasnt home in time to cook some food.
Earl: So, he just a roomate, and hes old enough to cook his own meals.
D: Exactly, he was acting like a real Lower case bitch nigga.