Deliberately posting inaccurate information online for the purpose of humour, with the aim of getting lots of comments and reactions from people who a) don't get the joke, or b)do get the joke but feel compelled to comment in a way that lets other people who got the joke know that they too got the joke and are thus smart, funny, sexy, handsome etc...
Oh look, Dave's just posted how Darth Vader is his favourite Star Trek Character because he's such a positive role model for disabled people. Looks like he's Crapfishing again.
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?"