Also mossie. A mosquito.
A stereotypical boorish Australian man; a bogan (see above). Possibly from a man named Oscar.
“On you,” as in “Good onya” (see above).
Also pomme, pommy, or pommie. Originally any immigrant from the British Isles; now applied to Brits (and especially the English) in general. The term might derive from “pomegranate,” inexact rhyming slang for “immigrant.”
A position or place, as in a good possie to sit.