刮脸皮

Traditional (Taiwan): 刮臉皮

guāliǎnpí ㄍㄨㄚ ㄌㄧㄢˇ ㄆㄧˊ

    • to draw a finger across one's cheek to mock someone as shameless

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
scrape the cheek
Meaning
Drawing a finger across your cheek to mock someone as shameless.

Sources