at the drop of a hat

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English[edit]

Etymology[edit]

From the customary starting of competitions by making a sweeping downward motion with a cap.

Prepositional phrase[edit]

at the drop of a hat

  1. (idiomatic) Without any hesitation; instantly.
    We're expected to just do it at the drop of a hat.
    If you need help, just call on Mike. He can come at the drop of a hat.

Synonyms[edit]