Green’s Dictionary of Slang

(Aus.) an imaginary, out-of-the-way, ‘uncivilized’ place.

1934		Advertiser (Adelaide) 29 Aug. 10/3: The ruthless judge ‘had spoiled her cakes for the Timbuctoo show next Saturday’ — Albeit that they had carried all before them at Oodnawoopwoop the previous week!
1950		Southern Cross (Adelaide) 27 Jan. 6/1: Show him the latest sky scrapers and he will say, ‘They’ve just put up a two-storey place in Oodna Woop-Woop East [...] and it’s a pretty classy job, I can tell you’.
1968		Kings Cross Whisper (Sydney) xlviii 9/3: Secretary of the Oodnagalabie branch of the United Pastoralists Union [...] said yesterday politicians had reached plague proportions in many areas of Australia .
1972		G. Morley Jockey Rides Honest Race 93: Fifty per cent of the Australian population only buy their newspaper to see if Nancy and Sluggo finally get married. The other fifty per cent want to find out who won the third race at Oodnagallabi [GAW4].
1972		G.W. Turner Eng. Lang. in Aus. and N.Z. 108: South Australia has a fictitious placename for any remote area, Oodnawoopwoop.
1981		Canberra Times 30 July 15/3: Canberra was chosen for the premiere season of ‘Centrespread’ in an effort to qualify the film for this year’s Australian Film Institute awards. It would have been better to have opened it in Oodnagalahbie, where it could have sunk without a trace as it deserves .
1993		Walkuski & Harris No Bed of Roses 77: Bloody dishes; thousands of them; stretching from here to Oodnawoopwoop.
1998–2001		T. Anders Holidays in Woop Woop 🌐 NOTE FOR NON-AUSSIE READERS: Woop Woop is a tiny remote place in the Middle of Nowhere, almost beyond the Black Stump, somewhere between Bullamakanka and Oodnagalahbi. Got it, mate?