see red see red {v. phr.}, {informal} To become very angry. Whenever anyone teased John about his weight, he saw red. Categories: add yours add yours anger {informal} {v. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 » In RussianTo section: S Subscribe to: American Idioms► Also consider the parent subscriptions (3)Idioms feedEnglish languageHome page and general feed Post my comment Post my comment