Green’s Dictionary of Slang

1. (UK Black/drugs) heroin.

2015		J. Spades ‘Know Dat’ 🎵 I run up with a brick of buj a nine of dubs.
2016		1011 Next Up?‘’ 🎵 I smash b, whip coke, smoke loud / [...] / Feds know my face from the days when I sold buj.
2018-20		T. Thorne (ed.) ‘Drill Slang Glossary’ at Forensic Linguistic Databank 🌐 Booj. buj - heroin.
2020		G. Krauze What They Was 17: There were always nittys [...] damp and sticky-skinned with rotten black mouths [...] catting to get some b and work .
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 chaps or Bobby and Whitney.

2. (UK gang) an unpleasant individual.

2018-20		T. Thorne (ed.) ‘Drill Slang Glossary’ at Forensic Linguistic Databank 🌐 Buj - an obnoxious person.