usually the instagator perches in the rats nest. where he tries to bwe cocky by beating noobs at chess. the instagator (poo stain) likes to hurt you if you make fun of him. he loves to come in roasty.
When sitting on a skiing chairlift the instagator will bring the bar down with exessive force and yell "comin in roasty"
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.