Bourke-street, adj. — Green’s Dictionary of Slang

Bourke-street adj.

[the financial centre of Bourke Street, Sydney]

(Aus.) citified.

1944		Bulletin (Sydney) 10 May 12/2: We’ve all heard Bourke-street pioneers giving tongue to the alleged Aussie call as through the trackless wilds of the Sherbrooke Forest.
1946		Bulletin (Sydney) 4 Dec. 29/4: Bourke street bushmen marvel at the tolerance of the wedge tail eagle.