그게 뭔데

what is that

→ 그것+이
phrase Rare #20,897
what is that Depending on tone, this casual question can sound blunt or challenging.
KO: 그게 뭔데?
EN: What is that?

그게 뭔데?

What is that?

— 라따뚜이 (2007)

그러니까 그게 뭔데?

So what is that?

— 원 배틀 애프터 어나더 (2025)

좋아, 그게 뭔데?

Okay, what is that?

— 해리 포터와 죽음의 성물 2 (2011)

그게 뭔데!

What is that!

— 해피 투게더 (1997)