Idiom: At the Drop of a Hat Posted on 24th December 201822nd November 2018 by DoubleClick At the Drop of a Hat: Willing to do something immediately, without any delay. Example: We’re all finished work, I can’t just travel at the drop of a hat. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Posted in Idiom and tagged idiom A.