똥차가 밀리다

English rendering Be held back from marrying by elder siblings Literal translation: “The dung cart is backed up”

Meaning 1

(속되게) 위로 결혼하지 않은 형이나 언니가 있어 그 동생들이 결혼하지 못하다.

Vulgarly, be unable to marry because an older brother or sister remains unmarried

Dictionary example 1

그는 무척이나 결혼하고 싶어 했지만 똥차가 밀려 있어 그것은 희망 사항에 불과했다.

He wanted very much to marry, but an unmarried elder sibling blocked the way, so it was merely a wish.