Green’s Dictionary of Slang

Aussie adj.

Australian.

[Aus]J.S. Finney 27 Mar.–1 May diary [Internet] On 1st we came out to La Houssaye. Aussie lingo for the place (Lousy) quite typical.
[UK]Hall & Niles One Man’s War (1929) 301: An Aussie flyer named McCormick and I went over to Yvonne’s place for dinner to-night.
[Aus]F. Grose A Rough Y.M. Bloke 26: He went to take my ’at as I walked in, but I wasn’t ’avin’ any, fer it was a dinkum Aussie, and I’d lorst ’em like that before.
[Aus](con. WWI) A.G. Pretty Gloss. of Sl. [...] in the A.I.F. 1921–1924 (rev. t/s) n.p.: aussie. (2) Australian made goods.
[Aus]West Australian (Perth) 6 June 4/6: A Henglish haccent’s ‘ardly ’eard / throughout yer Hossie land.
[US]Associated Press Oct. 27: Returning Aussie brides [...] will have a hard time [W&F].
[Aus]‘Neville Shute’ Town Like Alice 183: You picked up some Aussie slang.
[NZ]B. Crump Hang On a Minute, Mate (1963) 180: He’d been on the booze and finished up the night before on a bottle of meths or Aussie whisky or something.
[US]B. Moyers Listening to America 52: A bare-chested young man wearing an Aussie hat strolled by.
[Aus]M. Bail Homesickness (1999) 15: Nothing like the Aussie accent.
[UK]K. Lette Llama Parlour 204: I’m just like those Aussie men you’re always whining about.
[US]Sun 23 Mar. 17: An Aussie headmaster did a Paul Keating yesterday [...] by grabbing the Queen’s arm.
[Aus]P. Temple Dead Point (2008) [ebook] Very un-Aussie, two boys who weren’t petrolheads.
[UK]Sun. Times Sport 19 Dec. 25/2: One commentator has called his television style [...] ‘Aussie chav!’.

In compounds

Aussie kiss (n.) [play on down under, i.e. the vagina / down under n. (1)]

(Aus./Irish) cunnilingus.

Google Groups: aus.jokes [Internet] 11 Nov. Q: What’s an Australian kiss? A: A French kiss, only down under.
[Ire]O’Byrne Files: Dublin Sl. Dict. [Internet] Aussie kiss n. Similar to a French kiss, but given down under.
J. Lambert Macquarie Aus. Sl. Dict. 6/1: Aussie kiss just like a French kiss - only Down Under.
K. Lette Boy Who Fell to Earth 148: As my ex-mother-in-law offered him a pale cold cheek for a perfunctory peck, Archie winked and said, `Maybe you'd prefer an Aussie kiss?' `What exactly is an Aussie kiss?' she asked in her angular, prodding, metallic voice.