# do something at the drop of a hat

idiom · CEFR B1

Source: https://englishreference.com/idiom/do-something-at-the-drop-of-a-hat
Updated: 2026-06-07

## Meaning

Do something without having planned beforehand

## Examples

- She is always ready to travel at the drop of a hat.
- My neighbor is so helpful that he will come over to fix your sink at the drop of a hat.
- In such a fast-paced industry, successful managers must be prepared to change their entire strategy at the drop of a hat to stay ahead of the competition.

## Origin

19th-century America, where dropping a hat was a signal to start a fight or a race. (disputed)

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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.