flat strap
Speech parts
1. flat strap - Adjective
2. flat strap - Adverb
Meaning
flat strap (not comparable)
(Australia, idiomatic) At maximum capability, intensity, or speed.
We had the car going flat strap down the highway when the cops pulled us over.
flat strap (not comparable)
(Australia, idiomatic) Extremely busy.
Can you call me back tomorrow, mate? I′m flat strap at the moment.