What does APA KAU MATI? mean in Korean?

“APA KAU MATI?” is not Korean; it looks like Malay/Indonesian slang mixed with a phrase that means “Are you dead?” or more bluntly “Did you die?” in English. In Korean, the closest natural meaning would be something like “죽었어?”\text{“죽었어?”}“죽었어?” or “죽었니?”\text{“죽었니?”}“죽었니?”, depending on tone and context.

Meaning

• “Apa” can resemble the Korean word “아파” in sound, but in Korean “아파” means “it hurts” or “I’m hurt,” not “what.”

• “Kau mati” is not a Korean phrase; it is best understood as a non-Korean expression meaning “you died?” or “are you dead?” in a blunt, casual way.
• If someone is asking for a Korean translation, the safest simple version is “죽었어?” for casual speech, or “죽으셨어요?” for polite speech.

Tone

This phrase is usually rude, sarcastic, or joking, depending on how it is used.
In Korean, similar blunt wording can sound harsh, so the polite form matters a lot.

Short translation options

• Casual: “죽었어?”
• More neutral: “죽었니?”
• Polite: “죽으셨어요?”

TL;DR

It does not mean anything standard in Korean as written; it’s likely a non- Korean phrase meaning “Are you dead?” and the Korean equivalent is usually “죽었어?”