In Southpark, Kyle's little brother, Ike, is Canadian. He, like all the canadians in Southpark, has a head that is split in half. When he talks, he's literally "speaking out of the top of his head". He is a Flophead.
i word that i made up online because i was to lazy to type out flamingohead. it is a serious insult, and if some calls you a flamhead, it is really mean.
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.