A term used by the Jschlatt community, a youtuber famous for reaction and Gameshow like videos.
Jschlatt has made it clear he does not like being called that as it is very close to the word sometimes considered a slur, f*ggot, and a mix of his name
Viewer: Hey Schlaggot, when is that next reaction video?!
Jschlatt: Please do not call me that...
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?"