Definition of chiack in English:

chiack

verb

[WITH OBJECT]usually as noun chiacking
Australian, NZ
  • Jeer at or tease.

    • ‘In ABC's Studio 701, Broderick stayed still just long enough for some chiacking and a tune: he spoke to morning presenter Tim Cox.’
    • ‘This is a far cry indeed from the Anzac's credo of self-mocking mateship and chiacking comradeship and two-up and beer shouts.’
    • ‘He's going to make me spend a day out on Murderer's Camp and then chiack me about it’
    • ‘I cut off both thoughts and gave the answer I had given my grinning, chiacking, companions.’
    • ‘Whenever he came to the town on the mail truck from Billabalong, they'd hang around him while he joked and chiacked, breaking into laughter at it all.’
    make fun of, poke fun at, chaff, make jokes about, rag, mock, laugh at, guy, satirize, be sarcastic about
    View synonyms

Origin

Mid 19th century: from British slang chihike, originally a costermonger's cry.

Pronunciation:

chiack

/ˈtʃʌɪak/