king(킹)

A Korean slang that is a term for praise or emphasis on either good or bad things.

King(킹)
킹 (king) 받는다.

Means that he/she feels intense hatred/anger
킹정.
Originally 인정(In-jung), which meant he/she agrees strongly with whatever is said, 킹정(king-jung) emphasizes he/she's agreement to the statement