When you see someone's profile picture thumbnail and you think they're OK, but when you click on it, it's a big old mess. Named after the artist Monet, whose paintings were nice from far away, but jacked up looking up close.
I thought this heina would be fine, but when I opened up her facebook page, she turned out to be an Internet Monet, cause her close up was fug!
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?"