Green’s Dictionary of Slang

1. (UK black) to insult.

1992

in R. Graef Living Dangerously 15: I couldn’t let them get away with Chiefing me.

2. (UK black) to beat up, to assault.

2007		Skins ser.1 ep.3 [TV script] We caught those blood claat scum easy, man. Easy. We going to jack them. Real chief ’em up.
2019		Jme ‘You Watch me’ 🎵 I drop gems like when Knuckles chiefed man up on the start of Sonic 3.