Derived from the latin phrase scuntus holus meaning nasty orifice, scunt hole has morphed into a phrase to describe the nastiest most vile deushy person you know.
I just couldn't accept a ride from such a scunthole, so i walked the fifty miles to my house.
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.