To feel afraid or cautious to make new friends, often in fear of betrayal.
Compaution most frequently is brought up due to personal baggage, and previous acts of betrayal by close friends. It often creeps up in adulthood due to the fleeting friends in the between stages of graduation and a new livelihood.
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.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"