flat strap
1. adjective Very busy; preoccupied with many different things at once. Sometimes hyphenated. Primarily heard in Australia. Sorry I couldn't make it to lunch today, I've been flat strap with the kids all day. I've been so flat-strap at work that I barely have time to see my kids anymore. Believe me, this audit has kept everyone in the department flat strap for months. We can't wait till it's over!
2. At the greatest possible speed, efficiency, or power. Sometimes hyphenated. Primarily heard in Australia. We drove that car flat strap out of town. The whole team is working flat-strap to get this project finished on time. Good luck beating Chris in the race—that guy runs flat strap.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.