The ultimate insult surpassing any other insult derived from body parts and/or objects inserted into or used on body parts for various purposes, such as "douchebag" "asshole" or "cunt bucket" There is nothing more degrading than being called the accumulation of underwear fuzz, sweat, urine, pre-ejactulatory fluid, and pubic hair on the tip of someones dick.
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?"