BLEW A FUSE is an idiom that is used to describe a situation in which someone becomes very angry and loses their temper. RAGED, RANTED, and LOSTIT are all synonyms for this phrase. RAGED means to be filled with uncontrollable anger, RANTED means to speak or shout angrily, and LOSTIT means to become so angry that one can no longer control themselves. Together, these three words provide a comprehensive description of the phrase BLEW A FUSE.