Winging it, coming up with something quickly. It also means being "straight" or honest, even if the truth hurts a little.
The image is of your mouth as a gun, and you're shooting it. This idiom means that you're speaking without thinking - just blasting out whatever comes to your mind.
The cast of Shooting from the Hip - 2013 includes: Brendan Miles Brian Mott Muffy Potter
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.
Simply its mean a bully.
The idiom your blood is boiling usually means that you are mad/furious.
I believe what you mean is "tubercular hip," which is a hip with tuberculosis in it.