Crossword Genius

Lose your cool, electrically? (4,1,4)

Ross

I believe the answer is:

blow a fuse

(Other definitions for blow a fuse that I've seen before include "Lose one's temper (informal)" , "Get very irate" , "Hit the roof" , "See red" , "Lose the plot" .)

I've seen this clue in the Sydney Morning Herald.
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