avere un diavolo per capello
to be furiousQuando gli hanno detto che il progetto era stato cancellato, aveva un diavolo per capello!
When they told him the project had been canceled, he was furious!
to be extremely angry or irritated
Dopo l'ennesimo ritardo, Marco aveva un diavolo per capello.
After yet another delay, Marco was furious.
Non appena ha saputo dell'inganno, gli è venuto un diavolo per capello.
As soon as he learned of the deception, he was beside himself with rage.
Often used to describe someone who is so angry their hair seems to stand on end, as if a devil were pulling it.
Related Phrases
Pro Tip
When to use
Use 'avere un diavolo per capello' when someone is so angry their behavior becomes visibly intense, almost violent. Avoid using it for mild irritation.
Word Origin
The phrase dates back to medieval Italian folklore, where it was believed that extreme anger could make one's hair stand on end as if a devil were pulling it. The imagery of a 'devil in one's hair' symbolizes uncontrollable rage.
Usage Notes
This idiom is used in both spoken and written Italian, typically in informal contexts. It emphasizes the intensity of anger rather than mere annoyance.