The lack of a need for religion due to one's own belief in themself. Said belief in oneself brings forth happiness and self-peace, but is seen as a bit strange to those not yet having embraced the idea. The word is variable in occordance with an individuals name, but takes its original form due the to the name of the original practitioner, in this case the lovely Kate.
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?"