An unfortunate condition where a person in real life has characteristics not unlike the ones a protagonist in a wish-fulfillment story would have. The symptoms of someone with Protagonitis are as follows: has a dark traumatic past, has a secret power that nobody knows about, is given some special power or talent, has a ridiculous amount of luck, and is extremely attractive to many members of the opposite sex for no apparent reason.
"If anyone you know has Protagonitis, please seek help in the form of a doctor or an editor."
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.