When one person is to a point of being so tired, that there mind is half way between dream world and reality, causing them to possibly see things that aren’t there or say things they normally wouldn't
"Hey, why did you say you wanted to eat my cat last night?"
"Sorry, I didn't mean it, I was tired high... couldn't get much sleep."
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.