있단

that there is, that ... exists, that ... is/has, that ... is/are (in a state or doing something)

→ 있다
verb · informal Uncommon #11,905
that there is, that ... exists, that ... is/has A shortened form of 있다는, often used before 말 or 얘기 (“words,” “story”) to introduce what someone is saying or asking.
KO: 그런 사람이 있단 사실을 몰랐어요.
EN: I didn't know that such a person existed.
Conjugation of 있다

아직 여기 있단 말 입니까?

Are you still here?

— 캐치 미 이프 유 캔 (2002)

안다면 제 생각을 읽을 수 있단 말 이에요?

If you know, does that mean you can read my mind?

— 해리 포터와 불사조 기사단 (2007)

손님이 있단 얘긴 못 들었어요

I wasn't told there were any guests.

— 멀홀랜드 드라이브 (2001)

누가 있단 말야!

Who is there!

— 필사의 추적 (1981)

아이가 있단 말 입니다!

I have a child!

— 타이타닉 (1997)

auxiliary · informal Rare #18,497
that ... is/are (in a state or doing something) A colloquial contraction of 있다는, commonly used before 말 to introduce or emphasize a statement.
KO: 지금 자고 있단 말이야.
EN: I'm telling you that he's sleeping right now.
Conjugation of 있다

여긴 굴뚝도 없고 젖어 있단 말야

There isn't even a chimney here, and it's wet, I tell you!

— 하울의 움직이는 성 (2004)

살아 있단 말 인가?

Are you saying he’s alive?

— 헌팅시즌 (2025)

처녀는 울고 있단 말야.

I’m telling you, the virgin is crying.