flat strap
At maximum capability, intensity, or speedAt maximum capability, intensity, or speed.
Meaning
1 senses(Australia, idiomatic, not comparable)At maximum capability, intensity, or speed.
We had the car going flat strap down the highway when the cops pulled us over.
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.