Green’s Dictionary of Slang

1. to be a member of a gang.

1988		NWA ‘Gangsta Gangsta’ 🎵 I don’t slang or bang / I just smoke motrherfuckers like it ain’t no thang.
1993		(con. 1980) K. Scott Monster (1994) 48: Mama, I’m gonna be good. I ain’t gonna bang no more.
1998		Jayo Felony ‘Ghetto Horror Show’ 🎵 Fuck school nigga, bang with me.
1999		Dr Dre ‘Housewife’ 🎵 Some niggaz bang Blood, some niggaz bang Crip / And bitches ain’t shit but hoes and tricks.
2000		W. Shaw Westsiders 329: It would be hard for Mike to continue banging, in this neighbourhood, anyway.
2008		Simon & Lehane ‘Clarifications’ Wire ser. 5 ep. 8 [TV script] I guess you need to bang a while longer, then come back.
2015		Guardian Online 2 Feb. 🌐 Some of the very same folks who were bangin’ in the 90s are helping to save young people in the streets today.
2015		P. Beatty Sellout (2016) 103: Why do you go to these meetings? Shouldn’t you be out slanging and banging?
2015		67 ‘Live Corn’ 🎵 I don’t do friends cause I bang with my bros.

2. (orig. US black) to fight.

1998

Source Oct. 90: You don’t have to be bangin’ or killin’ nobody to know what’s going on.