2. n. a word that can be interchanged with any inappropriate word for those of us who can't say "penis" or "vagina" and feel the need to replace it with childish terms such as badingdong or hibbity dibbity
teacher: billy, did you do your homework?
billy: ughhh badingdong... that was due today??
joe: so sarah... I think its time we let our badingdongs meet each other.
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?"