Bust means failure ofeconomy and Boom meanssuccess of economy
'Lower the boom' - to scold or punish strictly Origin: A boom is a long pole used on ships. Booms are also used backstage in theatres to move scenery. If someone actually lowered a boom upon your head, you would be knocked out!
It means that you are the lowest of the low. You can't be any lower.
The idiom of biggest wheels is often seen shortened to big wheel. A big wheel is a person who has power in an organization, including lower-level bosses, managers, and CEOs.
boom boom
It's not really an idiom. It means "what are you thinking about."
RFP is not an idiom. It's an abbreviation.
It is not an idiom, it means your nose is itching.
It's not an idiom. It means the tip of your nostril.
idiom means expression like a page in a book
"Sieve" is not an idiom. See the related link.
This is not an idiom. It is a measurement. $100,000 is how you write it in numbers.