Adjective
1. Being romantically or sexually attracted to someone who you do not know well, or strangers altogether so that one may learn new things about someone as their relationship goes on.
Noun
1. A person who is romantically and sexually attracted to people they do not know well or at all, so their relationship becomes mysterious and more of a rush.
"Elaine, why are you holding hands with this girl? I thought you liked boys, and I've never even seen her before!"
"Well, mom, a part of being Creasexual is having passion for people I know nothing about, so dating them is mysterious and fun!"
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?"