After Bill came home from the store with a box each of Mallo, Milky Way and Mars Bars he found his wife had just bought the same; they had a real chocglut. They felt like real chocgluttons
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.