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.
She rapped her knuckles on the door to get the attention of the person inside.
This is not a question !!! and I think you mean raped not rapped, there is a difference
why did oprah get rapped
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.
Rapped in Romance was created in 1986.