flat chat

Adverb

 * 1)  At maximum capability, intensity, or speed.
 * We had the car going flat chat down the highway when the cops pulled us over.



Adjective

 * 1)  Extremely busy.
 * Can you call me back tomorrow, mate? I′m flat chat at the moment.
 * 1) * 2009, Sean Dooley, Cooking With Baz, Large Print 16pt Edition, page 167,
 * Except that I was too flat chat to get up and collect it myself so I motioned to Wok as surreptitiously as I could, nodding in the direction of the note lying invitingly on the asphalt. Wok stared back at me uncomprehendingly.
 * 1) * 2009, Sean Dooley, Cooking With Baz, Large Print 16pt Edition, page 167,
 * Except that I was too flat chat to get up and collect it myself so I motioned to Wok as surreptitiously as I could, nodding in the direction of the note lying invitingly on the asphalt. Wok stared back at me uncomprehendingly.

Usage notes
"Flat strap" is commonly misused in place of "flat chat", however the origin of the word - shortened from "flat out chatting" - points to "flat chat" being the correct implementation.