Derived in Britain in 2011. The Russian Sweep Kick requires the 'attacker' to drop to the ground and spin on their rear end whilst simultaneously extending either their left or right leg up at a 20 degree angle towards their opponents inside leg.
This is a highly skilled move and performed correctly will bring an opponent to the ground.
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?"