It's not an idiom - it pretty much means what it seems to mean. That makes it a metaphor. Someone might not be an actual circus clown, but they're acting like one, fooling around and trying to make people laugh.
The term clowning refers to a person who is joking around like a clown. Similarly, the term clowning may refer to a comedian or prankster, for example.
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.
A jester is a clown. Please don't name your kid clown.
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 isn't an idiom. I'm not sure what it's even supposed to mean. You probably heard some kind of children's slang, which means you'd have to ask them what they meant by it.
no its a simile...an idiom is something like "spilled the beans" where you cannot guess the meaning by looking at the words
It is not an idiom, it means your nose is itching.
It's not really an idiom. It means "what are you thinking about."
RFP is not an idiom. It's an abbreviation.
"Sieve" is not an idiom. See the related link.
It's not an idiom. It means the tip of your nostril.
idiom means expression like a page in a book
The idiom "a slap on the wrist" means receiving a mild or lenient punishment for a wrongdoing. It implies that the consequence is not severe or harsh.
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.