flip the bird
豎起中指
口語·粗魯手勢
英文釋義
to make an obscene hand gesture by extending the middle finger upward as a sign of anger, defiance, or disrespect
例句
He got so angry that he flipped the bird at the driver behind him.
典故來源
20世紀美國俚語，bird指代中指，flip表示快速伸出，源自古代侮辱手勢的現代變體。