synonymous with masturbating although wanksterbating is often associated with having the volume all the way up on the porno because nobody else is home.
Well all of my roommates are home for the weekend, looks like I have a loud few days of wanksterbating ahead of me.
Yesterday I came home from class and before I evengot in the apartment I could hear Justin wanksterbating.
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?"