To be extremely enraged; to be livid with anger, to the point where one's hair seems to stand on end.
听到自己的作品被抄袭，他气得发上指冠，决定立即采取行动维护权益。
Hearing that his work had been plagiarized, he was so enraged that his hair seemed to stand on end, and he decided to take immediate action to protect his rights.
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