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
RFP is not an idiom. It's an abbreviation.
It's not really an idiom. It means "what are you thinking about."
It is not an idiom, it means your nose is itching.
idiom means expression like a page in a book
It's not an idiom. It means the tip of your nostril.
"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.
Nothing. You have left out part of the idiom. Perhaps you mean "your hands are tied," which means that you have no power to do anything in a given situation.