Green’s Dictionary of Slang

1. (Aus.) a member of a club or lodge.

1901		Bulletin (Sydney) 24 Aug. 13/3: A Professional Distinction. / 1st. Lodge Doctor: ‘What sort of year had you?’ / 2nd Ditto: ‘Pretty fair. Only six patients died. Oh yes, and twenty or thirty “clubbies” pegged-out, you know.’.
1986		R.G. Barrett Godson 239: [A] couple of fair-haired clubbies were patching up some racing skis.
2019		C. Hammer Silver [ebook] [M]ocking the conformity of the clubbies and their silly caps.

2. (Aus.) one who works in a night-club.

1996

(con. 1964-65) B. Thorpe Sex and Thugs and Rock ’n’ Roll 32: The usual pie-cart crowd of clubbies, molls, drunks and taxi-drivers.