Gif: HIFW my coworkers find out they're gonna have to stay late because of a mistake I made

https://i.imgur.com/xhHLvLn.gif via /r/HighQualityGifs http://www.reddit.com/r/HighQualityGifs/comments/2hsjg5/hifw_my_coworkers_find_out_theyre_gonna_have_to/