A person who is so enamored with the Twilight movie they try to discover Robert Pattinson's location and tart themselves up in hopes of seeing him and/or being "turned" (into a vampire).
Cindy twitarted herself up when she heard that R-Pattz was going to be at Chateau Marmont.
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.