Sentence examples for punch him from inspiring English sources

The phrase "punch him" is grammatically correct and can be used in written English.
It is a command or imperative sentence, which means it is a direct request or order for someone to do something. An example of when you might use this phrase in written English is in a story or dialogue, such as: John angrily turned to his opponent and shouted, "Punch him! Show him what you're made of!".