A mustang or group of mustangs ( stangbangers)that gather in north america. Usually refers to relatively modern mustangs and their owners as some can be arrogant and narcissistic when gathering or in the wild. Usually they have pimped out stangs .
I saw a stangbang at McDonald's last night.. Their stangbangers were riced out and they were jammin to 80's rock.
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?"