To rap is to knock something against something else with a sharp sound. When you rap your knuckles, you can hear the sound of the knuckles hitting the other object.
He rapped his knuckles against the door several times.
The door wouldn't open, so he rapped it with his knuckles to see if it would open.
verb
To strike something sharply with one's knuckles; knock.
verb
To strike with a quick blow; to knock on.
verb
To free (a pattern) in a mould by light blows on the pattern, so as to facilitate its removal.
verb
To speak (lyrics) in the style of rap music.
verb
To talk casually; to engage in conversation.
verb
To seize and carry off.
verb
To transport out of oneself; to affect with rapture.
1
She was annoyed by the rap.
2
The rap in the song is catchy.
3
What is the purpose of rap
4
The baby cried due to the rap.
5
The boys fought due to rap.
6
They are typically rapped, and are humorous or satiric.
7
I was mad at him for his rap.
8
Rap made his skin red.
9
He's the one that had the solicitation rap.
10
I just rap the child with a stick.