This high-powerlaser is used by a CPS (see Carbon Proton Synthesiser) to imprint smiley faces on the protons of Carbon atoms. If this laser is aimed into the night sky, the dot can be seen on the surface of Neptune.
Invented by F.S.E.V
This Carbon Proton Synthesiser is not use without a Hydro-Lithium-Demerol-Amal-Nitrate Uranium Scrupulator, you idiot!
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?"