The best site you'll ever go to is www.homestarrunner.com/sbemail.html. It features Strong Bad and Homestar Runner. :D Mainly Strong Bad though, checking his email.
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.