blow a fuse

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blow a fuse

1. Literally, to suddenly lose power due to an overloaded electrical circuit. Well, we just blew a fuse—it seems that running the space heater, the coffee maker, and a blow dryer at the same time was not the best idea!
2. To react furiously and/or violently to something or someone, to the point of losing control of one's behavior. Mom totally blew a fuse when I told her I had failed math. Don't blow a fuse, it's just a tiny scratch on the car.
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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

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

If you blow a fuse, you suddenly lose your temper and cannot control your anger. For all my experience, I blew a fuse in the quarter-final and could have been sent off. He's going to blow a fuse when he finds out about Miller. Note: A fuse is a safety device found in electrical equipment. If the equipment becomes too hot, the fuse blows, or burns. This breaks the electrical circuit, so that the equipment will stop working.
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blow a fuse

lose your temper. informal
The metaphor is of the failure of an electrical circuit or engine as a result of overheating.
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blow a ˈfuse

(informal) get very angry: It was only a suggestion, Rob. There’s no need to blow a fuse.
This refers to the fact that if the flow of electricity in a piece of electrical equipment is too strong, the fuse (= a small wire or device inside it) will break (blow), often with a loud noise, and stop the current.
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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.
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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