Idiom: A Dime a Dozen Posted on 17th January 201816th January 2018 by DoubleClick A dime a dozen: anything that is common and easy to get. Example: Young people who dream of becoming well-known actors and actresses are a dime a dozen in Korea. 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.