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.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"