The act of performing the shocker (sticking one's index and middle finger in the vagina and one's pinky finger into the anus) on a girl and then sticking the two fingers that were in the vagina into her nostrils and and the pinky finger into her mouth.
That bitch pissed me off last night so I Jersey Foulmouthed her in bed.
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?"