This is not an idiom. "Rapped" means struck sharply, and your "knuckles" are the joints of the fingers. Someone is getting a sharp snap of something (usually a ruler) to the back of their hands, which hurts! In the old days, teachers used this punishment when a child would misbehave in class.
This is not a question !!! and I think you mean raped not rapped, there is a difference
why did oprah get rapped
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.
don't know but it happened to one of my knuckles and it is really sore
"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
Rapped in Romance was created in 1986.
This is not an idiom. It is a measurement. $100,000 is how you write it in numbers.
Tattoos of stars on knuckles can have different meanings to them. They can have a nautical meaning or they can just be decorative.