5 most overused expressions on the Web Besides the word, “FAIL,” most of these phrases are not what you’d expect, like “DIAF,” short for “Die in a Fire.” Have you seen this one used a lot? By Ragan StaffJan. 25, 2011 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.