Smagin came up with this definition. It appeared when he wrote the phonk and described the bomb ass situation when a person invents something like smagic that makes your brain literally explode from surprise
Come on, it's just different, man
It's my game plan
In my game I'm number one, im smagineer of this fun
Slowly rolling, smagineer trolling You need to scrolling to understand what I'm holding
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?"