-"That new uniform's steppin ya game up CRAZY!"
-"wow man, that business card is amazing.. steppin ya game up!"
Me -"I'm dating her mom now..."
You -"Shit son! steppin ya game up!"
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.