Definition & Meaning of "KYS"in English

What does "KYS" mean in internet slang?

The acronym "KYS" stands for "kill yourself" and is used online as a highly abusive insult or harassment term. The structure is a shortened initialism of a violent phrase. It is informal internet slang and is considered harmful and unacceptable in most contexts due to its association with self-harm encouragement. In practice, it is often used aggressively in toxic online interactions, but it is not a neutral expression and is widely moderated or banned on platforms.