出土文物

chūtǔwénwù ㄔㄨ ㄊㄨˇ ㄨㄣˊ ㄨˋ

    • person whose clothes or looks are hopelessly out of date

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
excavated cultural relics
Meaning
Jokingly describes a person whose clothes or looks are hopelessly out of date. Mocking.

Sources