Frusting is the act of saving frust(dead skin foot particles)and storing them in a contatiner. Frusting happens when a male and female are having sex. As the male is going at it he secretly grabs a hand full of frust. At the moment of male climax he pulls out and busts a load on the females face and at the same time he whips the hand full of frust upon her gooey face. (Can also be used as frusted)
Shelp planned on Frusting that hoe but wasn't in on it by himself. As he busted on her face Shelp's buddy ran in the room and tossed frust in her face as he yelled "Frusty" and then ran out of the room.
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?"