Definition & Meaning of "donner"in English

What does "to donner" mean in South African slang?

In South African slang, "to donner" means to beat up, hit, or thrash someone, usually in the context of a physical fight or punishment. It is used in informal South African English, especially in aggressive or confrontational situations described in everyday speech. The term comes from Afrikaans "donner," which literally means "to thunder," but in slang usage developed the meaning of striking or assaulting someone, and it is now commonly used figuratively or literally in South African colloquial language.