YFD stands for You Fucking Dick a video game genre that allows players to play as the villain or villainous protagonist. The God Of War Postal Grand Theft Auto etc. series are great examples of YFD games.
Hey let’s play a YFD game called GTA. It so fucking good you get to shoot civilians and not have any regrets
Popularly used on the site fmylife.com when someone complains about how their life sucks but viewers recognize that they got what was coming to them for being so dumb.
Dan73: Today, my girlfriend woke up and asked me to grab her thong from behind the bed. There were two. I didn't grab hers. FML.