Drunk: 1920s Jazz-era usage. See also: hammered, sloshed, shit-faced, tanked, blitzed, bombed, wrecked, three sheets to the wind, loose, tipsy, trashed, smashed, etc.
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.