Green’s Dictionary of Slang

(Aus.) the East India United Service Club.

1914

Teleg. (Brisbane) 8 Aug. 18/3: As the Athenaeum was known as Bishopgate, so the United Service, with which it exchanges courtesies, was, from the former ages of its members, honoured with the name of vice with that of Billingsgate. The Army and Navy is the Rag, and the East India United Service, the Barnshoot.