An informal conversation, usually about everyday matters; a chat, a gossip.(noun)
To chat, gossip.(verb)
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Use "chinwag" in a sentence
"By the way, the name is a variation on the word "chinwag"."
"I don't want to go to Oxford because I've had some inspirational chinwag with an eccentric teacher who satiated my growing ego with tales of how much potential I have and how good a writer I am I am pretty good though, I can paint pictures with words, make them all pretty, like."
"Scrap last five minutes for extra chinwag. to result"