An intense odor, mostly absolutely wonderful, that is too awesome to describe. Can also be used to describe something so foul you can't even explain how nasty it is.
The cookies my mother had made released some awesome smellzations into the air.
When that kid fell into the lake, the smellzations made me want to puke my lungs out.
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?"