Green’s Dictionary of Slang

1. (Aus.) talk, language.

1896

West Australian (Perth) 29 May 6/2: This adoption of the rhyming slang was, I think, only put on to try to impress me of his ’cuteness. He was surprised to find I understood every word. ‘You “rumble” the “knife and fork” very well, sonnie’.

2. pork.

1992

R. Puxley Cockney Rabbit.