Green’s Dictionary of Slang

(UK black/drugs) crack cocaine.

2020

G. Krauze What They Was 34: [D]ark n light which means heroin and crack, or as everyone round here calls it buj and work or brown and white or brandy and champs or Bobby and Whitney [Ibid.] 60: Sniper is bagging up champs and brandy [...] in the hotel room.