What Ryu and Ken say on Streetfighter when they do the spinning kick. This is not really what they say but it is what people usually refer to the move as because what they say is just too difficult to understand.
The other day me and my friend were playing Streetfighter and I beat him with the move A Side Slick Swirl Kick!
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.