1. A piece of media that is designed for an individual or group to trip on while rolling on ecstacy. Extreme sprilaling and flashing video along with euphoric audio.
2. Possibly something someone wouldn't want to see on LSD because it is too heavy or intense which could cause a bad trip.
a) The Animatrix is soo fucking etastic, I cant believe it!
b) I'm into psychedellic music but the techno I hear at raves is way more etastic!
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?"