Idiom: A Drop in the Bucket Posted on 1st February 201831st January 2018 by DoubleClick A Drop in the Bucket: A very small part of something big or whole, or unimportant. Example: Ann donated food to help the poor people, but it was just a Drop in the Bucket of what was needed. 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.