Wiktionary
chiack
alt. 1 (context Australian English) To taunt or tease in jest. 2 (context British English) To taunt maliciously. vb. 1 (context Australian English) To taunt or tease in jest. 2 (context British English) To taunt maliciously.
Usage examples of "chiack".
He put on a sly grin and refused to respond to the goodnatured chiacking over supper.
His mates knew it was a comedown for Leather, but they held off chiacking him about it.
No doubt this manner of speech has developed as a consequence of the chiacking he received at boarding school for his plummy British accent.
There was some chiacking, but that was simply the safety valve of a great relief.