Green’s Dictionary of Slang

chokey v.

[chokey n. (2)]

(UK prison) to place in the punishment cells.

[UK]J. Phelan Lifer in Partridge DU.
[UK]J. Phelan Letters from the Big House 36: If you sneaked a spud for them, like as not you got chokied.
[UK]J. Phelan Tramp at Anchor 176: I want that bleeder chokeyed. Unauthorized. A plug.