- lit. hair stands up in anger and tips off one's hat (idiom)
- fig. seething in anger
- raise one's hackles
“the anger makes one's hair stand on end; be so angry that one's hair raises (or lifts) up his hat”
指愤怒得头发直竖，顶着帽子。形容极端愤怒。
Origin 《庄子·盗跖》：“盗跖闻之大怒，目如明星，发上指冠。”《史记·廉颇蔺相如列传》：“相如因持璧却立倚柱，怒发上冲冠。”
Example ～，凭栏处，潇潇雨歇。（宋·岳飞《满江红》词）