Rap – meaning of the word

A type of popular music with a strong rhythm in which the words are spoken, not sung. (Cambridge Dictionary)

A statement accusing someone of a crime, or the punishment that someone is given for a crime. (Cambridge Dictionary)

A judgement or a reaction. (Cambridge Dictionary)

A sudden short noise, especially one made by hitting a hard surface. (Cambridge Dictionary)

To hit or say something suddenly and forcefully. (Cambridge Dictionary)

To criticise someone, especially officially. (Cambridge Dictionary)

If you rap on something or rap it, you hit it with a series of quick blows. (Collins Dictionary)

Strike (a hard surface) with a series of rapid audible blows, especially in order to attract attention. (Oxford Dictionaries)

A sharp blow or knock . (Merriam – Webster)

A sharp rebuke or criticism. (Merriam – Webster)