Blow a fuse

Most Important Level 5

"to blow a fuse" / "Don't blow a fuse."

Meaning: to suddenly become very angry and furious

Similar Expressions
  • He blew a fuse.
  • He got extremely angry.
  • He got furious.
  • He went off.
  • He got ticked off.
When do we use it?

The real meaning of "blow a fuse" is to suddenly lose power because of an overloaded electrical circuit. In English, words like "blow" and "explode" are often associated with anger.

So, this is just a different way to show that a person suddenly lost their temper and became extremely angry.

How do we use it?

Use this expression after the person becomes angry. The verb "blow" changes based on the verb tense and the sentence, but "a fuse" always stays the same.
  • She blew a fuse when she heard that she didn't win.
  • He will blow a fuse when he sees this.
  • My wife blew a fuse when I told her that I forgot her birthday again.
We cannot use this expression in a continuous verb tense.
  • He is blowing a fuse…
Example English Conversations

A) What did Bill do when you told him?
B) He blew a fuse.

A) What do you mean I can't come? Are you kidding?
B) Calm down. Don't blow a fuse. Let me explain.
A) Okay, fine. Explain it to me.

Adding expressions and idioms to your vocabulary will help you become a better English speaker. You do not need to learn a million expressions or idioms at one time! If you study new English expressions and idioms steadily and consistently, then your vocabulary will get better and better. Use these free English lessons to expand your vocabulary and learn useful English idioms, slang, and expressions.