Green’s Dictionary of Slang

1. (N.Z. prison) imprisonment.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 166/2: shutdown n. 1 = lockdown sense 1.

2. (N.Z. prison) a strike.

2001

D. Looser Boobslang [U. Canterbury D.Phil. thesis] 166/2: shutdown n. 2 a strike.

3. (UK black) of an individual, a performance, a song, an outstanding success.

2016

Skepta ‘Shutdown’ 🎵 I was in Paris, shut down l'Arc / New York, shut down Central Park / [...] / Blud, I just shutdown / That’s not me and it's shutdown / Ring ring pussy, it's shutdown / Fashion week and it's shutdown.