Green’s Dictionary of Slang

1. (Aus.) a gossip.

1984

Partridge DSUE (8th edn) 1240/2: Aus. since ca. 1930.

2. a piece of gossip.

1959		I. & P. Opie Lore and Lang. of Schoolchildren (1977) 195: I know a little girl sly and deceitful, / Every little tittle-tat she goes and tells the people.
1978		Bulletin of British Psychological Society 262: Some eminent lawyers have objected to the research on negotiated justice and dismissed it as mere ‘tittle-tat of the cell room.’.
2007		B. Grundy So You want to be a Journalist 265: The comments were on a matter of public interest (not just some personal tittle-tat, scuttlebutt or salacious gossip).