# blow a fuse

idiom

Source: https://englishreference.com/idiom/blow-a-fuse
Updated: 2026-08-10

## Meaning

To lose one's temper; to become enraged.

## Examples

- My boss will blow a fuse if we are late again.
- When he saw the deep scratch on his new car, he completely blew a fuse.
- The manager threatened to blow a fuse when he discovered that the entire project team had ignored his explicit instructions.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.