온다니까

I'm telling you (that) ...; since ...

→ 오다
verb · informal Rare #26,217
I'm telling you (that) ...; since ... Often adds emphasis or insistence to a statement; the exact sense depends on context.
KO: 내가 금방 온다니까!
EN: I'm telling you, I'll be there soon!
Conjugation of 오다

금방 온다니까

I told you, I'll be there soon.

— 똑바로 살아라 (1989)

비 온다니까 빨래 걷어!

It's going to rain, so bring the laundry in!

— 쿵푸 허슬 (2004)