WhipBack, also known as "WhackBack", is a pain-inducing game played by teens and young adults who use leather belts to create self-inflicted welts on their backs.
Originating from the idea of ordering the most obnoxious drink at the bar, whipwacker can be likened to an obnoxiousperson or group - specifically used for bachelorette parties in Nashville.
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.