A widely used gaming term used in COD used by the losingteam when they are upset after a loss.
(End of round)
Red Team: 100
Blue Team: 43
<swagscopes54> (Red Team): gg guys
<CODmaster000534> (Blue Team): even though we lost nice job team
<platinumshots21> (Red Team): sick snipe swagscopes
<BIGGAMERSICK69420> (Blue Team): IM FINNA CLAP YOUR CHEEKS NEXT ROUND BRO
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?"