George: Wow, that was a fun night, man.
Bob: Hell yeah, bro.
George: You and Kyle gonna stick around for some drinks?
Bob: Nah, we gotta move some microwave ovens.
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.