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blow a fuse (third-person singular simple present blows a fuse, present participle blowing a fuse, simple past blew a fuse, past participle blown a fuse)

  1. To overload a circuit to the point that the fuse (or circuit breaker) protecting it triggers, opening the circuit.
  2. (informal) To lose one's temper; to become enraged.
    When he learned that his daughter had eloped, he blew a fuse.

SynonymsEdit