see red

1. To be or become extremely angry: “When Roger realized that he had been duped, he started to see red.”

Idioms and Phrases

Become very angry, as in I saw red when I learned they had not invited Tom and his family. The precise allusion in this term is not known, but it probably refers to the longstanding association of the color red with passion and anger. [Colloquial; c. 1900]

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