Green’s Dictionary of Slang

ockerina n.

[ocker n. (1) + fem. sfx -ina; a pun on the musical instrument, an ocarina]

(Aus.) a female ocker n. (1)

[Aus]G. Seal Lingo 121: The popularity and all-encompassing nature of this new blokism, almost forgotten today, can be glimpsed in the rapidity with which the term spread and the number of variant forms it produced [...] ockerina (a female ocker) and even ockerised.