A guy who's a genius but doesn't know how to interact with humans. He knows everything about physics and politics and economics and history, but is super lazy and won't do anything without the incentive of chocolate. He also can trade stocks somehow. He is the guy everyone needs to survive an apocalypse, just for his sock fighting.
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.