Green’s Dictionary of Slang

ocker adj.

[ocker n. (1)]

(Aus.) boorish, loutish, ultra-nationalistic.

[Aus]N. Keesing Lily on the Dustbin 53: Australians find endless humour in coarse ocker expressions.
[Aus]R.G. Barrett Boys from Binjiwunyawunya 221: Don’t you think ‘sheila’s drink’ is a little bit . . . how do you people like to put it? Ocker.
[Aus]L. Redhead Cherry Pie [ebook] ‘All these idiots making stupid comedies about ocker dickheads’.
[Aus]L. Redhead Thrill City [ebook] He had a whiny ocker accent and a raspy voice.