flat strap
1. adjective (sometimes hyphenated) Very busy; preoccupied with many different things at once. 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.
2. (sometimes hyphenated) At the greatest possible speed, efficiency, or power. 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.
(as) flat as a strap
1. adjective Completely flat or flattened. I left my soda open overnight and now it's flat as a strap. The roads in this part of the country are as flat as a strap—no hills, no dips, nothing!
2. adjective Extremely fast. Primarily heard in Australia. John's new car is a beauty, and I bet it's flat as a strap.
3. adjective Very busy; preoccupied with many different things at once. Primarily heard in Australia. Sorry I couldn't make it to lunch today, I've been as flat as a strap with the kids all day. I've been flat as a strap at work lately—I barely have time to see my kids anymore.
4. adverb At the greatest possible speed, efficiency, or power. Primarily heard in Australia. We drove that car flat as a strap out of town. The whole team is working as flat as a strap to get this project finished on time.
strap on the (old) feed bag
slang To begin eating; to have a meal. I can't wait to get to grandma's and strap on the old feed bag. She always cooks the tastiest food! What do you say we strap on the feed bag before we head out?
strap on a pair
vulgar slang A derogatory exhortation to start acting in a more masculine manner; that is, to be more direct, aggressive, courageous, self-confident, and other such characteristics that are stereotypically considered to be masculine attributes. ("Pair" here refers to testicles, but the phrase can be said of or by both men and women.) You're never going to get the boss's respect if you keep kowtowing to him like that. You need to strap on a pair and show him that you deserve to be taken seriously! Janet, I know you're nervous about asking Tom out on a date, but just strap on a pair and give it a shot!