How to say too much personal information in Korean
Korean: 티엠아이[ ti-em-a-i ]

Meaning
티엠아이 (TMI) means sharing too much personal information or too many small details. People use it when someone says something private or unnecessary. It is common in casual talk and online, and it is often a little funny or playful.
Example sentences
친구가 오늘 날씨에 대해 너무 자세히 말해서 티엠아이였어.
My friend talked too much about the weather today, so it was TMI.
그녀는 너무 많은 개인 정보를 공유해서 티엠아이였어.
She shared too many personal details, so it was TMI.
친구가 아침 메뉴를 다 말해서 티엠아이였어.
My friend told me the whole breakfast menu, so it was TMI.
여행 중에 옆자리 사람이 병원 이야기를 해서 티엠아이였어.
During the trip, the person next to me talked about the hospital, so it was TMI.