Green’s Dictionary of Slang

throttling pit n.

[play on choke a darkie under darkie n.]

the lavatory.

Show quotations
[Aus]B. Humphries Barry McKenzie [comic strip] in Complete Barry McKenzie (1988) 43: I’ll take this typewriter [...] into the bathroom and write me composition on the throttling pit!
[Aus]B. Humphries Traveller’s Tool 35: Give her a quick knee-trembler in one of the throttling pits.