blow a fuse

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blow a fuse

 
1. to burn out the fuse on an electrical circuit and lose power. The microwave oven blew a fuse, so we had no power. You'll blow a fuse if you use too many appliances at once.
2. and blow one's fuse; blow a gasket; blow one's cork; blow one's lid; blow one's top; blow one's stack Fig. to explode with anger; to lose one's temper. Come on, don't blow a fuse. Go ahead, blow a gasket! What good will that do?
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blow a fuse/gasket

  (informal)
to become very angry and shout or behave in a violent way Jim'll blow a fuse if he finds you here. When her husband realised how much she'd spent he blew a gasket.
See also: blow, fuse

blow a fuse

Also, blow a gasket. Lose one's temper, express furious anger. For example, When his paycheck bounced, John blew a fuse, or Tell Mom what really happened before she blows a gasket. An electric fuse is said to "blow" (melt) when the circuit is overloaded, whereas a gasket, used to seal a piston, "blows" (breaks) when the pressure is too high. The first of these slangy terms dates from the 1930s, the second from the 1940s. Also see blow one's top; keep one's cool.
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blow a fuse

and blow one’s fuse and blow a gasket and blow one’s cork and blow one’s lid and blow one’s top and blow one’s stack
tv. to explode with anger; to lose one’s temper. Go ahead, blow a gasket! What good will that do? Crunk! I so blew my top!
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blow a fuse

/gasket Slang
To explode with anger.
See also: blow, fuse

blow a fuse

Lose your temper. Back in the days before circuit breakers, a house's electrical system was regulated by a fuse box. Individual fuses connected to separate lines throughout the house were inserted into the box. When a circuit became overloaded, a thin metal strip in the fuse melted, breaking the circuit to prevent an overload and a possible fire. You'd then replace the fuse after disconnecting whatever appliance might have caused the overload. Someone who because very angry was said to blow a fuse, which doesn't make sense because a fuse was meant to defuse, so to speak, the situation. But no one ever said that idioms must be rational. Similar expressions that make more sense are “blow your stack,” which came from the era of steam engines that would explode if the steam wasn't allowed to explode, and “have a meltdown,” as in a nuclear reactor gone wild.
See also: blow, fuse