expression
with a turned-up chin; having a protruding chin
Fixed expression describing a person whose chin juts forward or upward. Often used in physical descriptions, sometimes with a negative or comical nuance.
彼は顎のしゃくれた顔立ちをしている。
He has a face with a turned-up chin.
あの俳優は顎のしゃくれた役が多い。
That actor often plays roles with a protruding chin.