It is not an idiom - it is a children's game. Leapfrog is when one child bends over and the other child rests his/her hands on that child's back and leaps over them. The child who leaped then bends over and the first child becomes the "leapfrog."
It's when one gets ahead of the other and becomes first. And then the one passed gets in front of the other. And on and on. It can be in business, sports, any situation where two or more go back in forth, each being the leader from time to time.
It is not an idiom, it means your nose is itching.
idiom means expression like a page in a book
Simply its mean a bully.
I think it means that that person agrees with that others persons idiom and that it fit that question that the teacher or whoever asked that question.
This is not an idiom - it means exactly what it says. You should stay fit and healthy.
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.
leapfrog procedure
LeapFrog Enterprises was created in 1995.
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.