26 April 2014

Idioms: To blow a gasket / to blow a fuse

Yosemite Sam blowing a gasket!

To blow a gasket / fuse means to suddenly explode with anger, shout and behave in a violent way.

These expressions are a late 19th century and 20th century addition to the English language and they probably originated in the United States. The image is of a gasket (une joint) in old machines suddenly breaking without warning causing the steam to suddenly explode out. 

The same imagery is found for the fuse (un plomb, une fusilble) version of the expression. What happens when there is an electrical overload? 

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