it means he or she was blushing due to occurring something on the spot and we can also take meaning from it like he is healthy and happy with the situation .
The meaning of the idiom in the pink of health means being in good health.
To be "tickled pink" means to be delighted about something, or to be in a state of excitement and joy, e.g., "She was tickled pink after receiving her present."
Referring to a "pink pony" typically signifies something that is unlikely or fanciful— akin to the idiom "when pigs fly." It's often used humorously to emphasize the improbability of a situation or scenario.
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.
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.