flat chat

flat chat adverb: at maximum capability, intensity, or speed.

Adverb

flat chat (not comparable)

(Australia, idiomatic) At maximum capability, intensity, or speed.
- We had the car going flat chat down the highway when the cops pulled us over.
- If there was a radio we'd have it going flat-chat, boy.1987, Tim Winton, That Eye, The Sky, page 110

flat chat (not comparable)

(Australia, idiomatic) Extremely busy.
- Can you call me back tomorrow, mate? I′m flat chat at the moment.
- “Look,” he went on, “I don′t even remember writing anything in the bloody diary, for Christ′s sake. I was flat chat at the time.”1997, Alexis Wright, Plains of Promise, page 228

I spun around yet again and took off flat chat.1998, John Marsden, The Night is for Hunting, unnumbered page:
I′m driving flat chat as I cross Green Gully, a nondescript depression in the wide flat plain of western New South Wales.2012, Chris Hammer, The River: A Journey Through the Murray-Darling Basin, page 166:

alternative form	flat-chat

What does flat chat mean?: Flat chat means at maximum capability, intensity, or speed.
How do you use flat chat in a sentence?: I spun around yet again and took off flat chat.
What part of speech is flat chat?: Flat chat can be an adverb or an adjective.

Adapted from Wiktionary: flat chat (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Pronunciation audio from Wikimedia Commons, each file under its own free license: EN-AU ck1 flat chat.ogg.

Cite this entry: “flat chat.” Word.ws, https://word.ws/flat_chat. Based on Wiktionary, CC BY-SA 4.0.