- To suddenly lose one's temper and become very angry, often unexpectedly or disproportionately to the situation.
Explanation
Origin
- This idiom dates back to the mid-19th century in America.
- It likely compares the sudden burst of anger to the head of an axe or hammer accidentally flying off its handle when swung.
- This suggests a dangerous loss of control and unpredictability.
Synonyms & Related Expressions
Alternatives
Slang/Informal:
- Go spare. (UK/Aus Get very angry)
- Wig out. (Lose control, get very excited or angry)
- Flip your lid. (Lose your temper)
- Blow a gasket. (Lose your temper, like an overheating engine)
- Snap. (Suddenly lose patience or control)
Vulgar/Emphatic (Describing intense, uncontrolled anger):
- Lose your shit.
- Go apeshit.
- Flip the fuck out.
- Go batshit crazy. (Implying irrational anger)
Milder/Standard:
- Become enraged.
- Get very upset.
- Lose control.
- React angrily.
Situational Appropriateness
- Informal to semi-formal.
- Appropriate for describing someone's sudden anger in everyday conversation.
- Might sound a bit too informal or colloquial for a very formal report or discussion, where lost his/her temper or became very angry might be preferred.
Misunderstanding Warnings
- Explain the axe/hammer head metaphor. Ensure learners understand it means sudden anger, not literal flying.
Examples
- He tends to fly off the handle over minor mistakes.
- I know you're upset, but there's no need to fly off the handle.
- She completely flew off the handle when she saw the mess.
Dialogue
Employee 1: Did you hear the boss yelling earlier?
Employee 2: Yeah, I heard him fly off the handle at Mark about the report deadline. It was pretty intense.
Employee 1: Seriously? Mark's usually so reliable. The boss needs to chill out sometimes.
Social Media Examples
- Venting Post: Just had a customer fly off the handle at me because their coupon expired yesterday. Some people! 🙄 #RetailLife #CustomerService
- Advice Forum: My partner tends to fly off the handle during arguments. How can we communicate better when emotions run high? #relationships #anger
Response Patterns
- Whoa, really? What happened?
- Yeah, he has a short fuse.
- Try to stay calm. / Take a deep breath.
- That's not helpful. (Disapproving of the anger)
- Expressing surprise or concern about the person's temper.
Common Follow-up Questions/Actions
After someone flew off the handle:
- People often ask about the cause: What set them off?
- Discussion might focus on the consequences of the outburst or how to calm the person down.
When warning someone not to fly off the handle:
- The conversation usually involves trying to de-escalate the situation or address the underlying issue calmly.
Conversation Starter
- No.
- Describes a reaction (sudden anger) within a situation or narrative.
Intonation
- Often stated with concern, warning, or disapproval.
- Can be stated with surprise when describing an event.
- Emphasis on FLY OFF the HANDLE.
Generation Differences
- Widely understood and used across generations.
Regional Variations
- Common in all major English-speaking regions, particularly North America.