Green’s Dictionary of Slang

1. (Aus.) a roustabout, a handyman, a casual labourer.

1900		Bulletin (Sydney) 18 Aug. 14/3: A good bushman rarely repeats himself either in swearing or slanging; for instance, the shearer terms the rouseabout variously a ‘loppy,’ ‘bluetongue,’ ‘wop-wop,’ ‘leather-neck,’ ‘crocodile,’ &c.
[1911		E.S. Sorenson ‘Shearer and Rouseabout’ in Life in the Aus. Backblocks 250: When the fleeces are falling rapidly along the board [...] these youths are kept on the run, their canvas shoes or big moccasins making much ‘wop-wop’ (one of their pet designations) as they bound to and fro].
1945		Baker Aus. Lang. 62: A handyman on a station, otherwise called a [...] wop wop.
1957		J. Greenway ‘Australian Cattle Lingo’ in AS XXXIII:3 168: rouseabout, wop wop, n. An unskilled stock handyman; the equivalent of American roustabout.

2. (N.Z., also the wops) a sheep farm, thus the country as opposed to the town.

1959		G. Slatter Gun in My Hand 205: You kidding? Where you been? Out in the wop-wops?
1971		N. Armfelt Catching Up 61: She talked of Elgin as if it were in the Wop-wops.
1988		McGill Dict. of Kiwi Sl. 124/2: wopwops remote district, variant of Australian ‘woopwoops’, which is apparently a satirical play on Aboriginal habit of duplication of place names.
2001		D. Looser Boobslang [U. Canterbury D.Phil. thesis] 204/1: wops, the n. = country, the.
2003		McGill Reed Dict. of N.Z. Sl. [as cit. 1988].