The best compliment there can be is vanture, it is like boss, queen, ruler, gurl, or it could be used as like in mean girls as Gretchen says « That’s so fetch! » so you could say « that’s so vanture » or « omg that necklace is so vanture! »
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?"