When to use to hold out (slang) in Korean
Korean: 존버[ jon-beo ]

When to use it
The slang word (존버) means to hold out, keep waiting, or endure a hard situation without giving up. People use it when they want to stay patient until something better happens later. It is very casual, so it is common online or with friends, but not in formal situations.
Example sentences
집에서 에어컨 없이 존버 중이야.
I’m holding out at home without air conditioning.
시험 끝날 때까지 존버해야 해.
I have to hold out until the exam ends.
비가 그칠 때까지 밖에서 존버했어.
I held out outside until the rain stopped.
친구가 조금만 더 존버하자고 했어.
My friend said to hold out a little longer.
이 가방은 세일할 때까지 존버할 거야.
I’m going to hold out until this bag goes on sale.
기차가 올 때까지 역에서 존버했어요.
I held out at the station until the train came.