怒髮衝冠 [ㄋㄨˋ ㄈㄚˋ ㄔㄨㄥ ㄍㄨㄢ; nu4 fa4 chong1 guan1] lit. hair stands up in anger and tips off one's hat (idiom) fig. seething in anger raise one's hackles ◄ ►