Green’s Dictionary of Slang

truckie n.

1. (Aus./N.Z.) a long distance truck-driver, or his lorry; cit. 1919 refers to horse-drawn vehicle.

C.J. Dennis Jim of the Hills 12: An’ the loggin’ truck goes lurchin’ down the crazy wooden ways, / With the driver at the brake-rope – Oh, that truckie has a nerve! / An’ he howls a merry ‘Hoop-la!’ as she swings around a curve.
J. Morrison Stories of the Waterfront 134: Seamen, wharfies and truckies almost to a man.
[Aus]W. Dick Bunch of Ratbags 28: There are hundreds of tarps rolled up lying all over the joint in the truckies.
[Aus](con. 1930s) F. Huelin ‘Keep Moving’ 1: ‘Hop up,’ said the truckie.
[Aus]D. Ireland Glass Canoe (1982) 17: It [was] a good stopping place for truckies with big rigs.
[Aus]P. Corris ‘Stockyards at Jerilderie’ in Heroin Annie [ebook] There’s pressure on to build a road and move the coal that way [...] The truckies want it.
[UK]B. Chatwin Songlines 34: The pub was full of truckies and construction workers.
[NZ]A. Duff One Night Out Stealing 35: Come on ya fat prick of a truckie, let’s see who breaks first.
[Aus]P. Temple Black Tide (2012) [ebook] The truck’s airbrakes moaned, the horns on the roof brayed. ‘Frighten easy, these truckies’.
Aus. Transport News 8 Apr. 🌐 It’s a fact that most truckies break the rules. They speed, they’re doped to the eyeballs.
[Aus]P. Temple Truth 148: The Ford and two early-start truckies travelling together.
[Aus]D. Whish-Wilson Old Scores [ebook] The odd truckie asleep at the wheel.
[Aus]D. Whish-Wilson Shore Leave 172: [C]atching conversations from long-haul truckies.

2. (Aus.) a truck-driver.