The Workplace The 12 most annoying workplace habits We’re talking to you, Mr. Tuna Fish Sandwich. By Meghan M. BiroAug. 27, 2018 SHARE Ragan Insider Premium Content 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.