大老粗

dàlǎocū ㄉㄚˋ ㄌㄠˇ ㄘㄨ

    • uncouth fellow
    • rustic

Character by character

Saying俗语俗語

Idiom惯用语 · In everyday use

Literally
big coarse fellow
Meaning
A person with little or no schooling. Self-deprecating or condescending depending on who says it.

Sources