a great math student, one who the teacher loves due to his older brother being a former student. A pupdawg usually has blonde hair, is shorter than average, and is a Junior Varsity raquetball player.
My boy pupdawg back there is extremly studious. He should definatley get laid for that.
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.