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1.
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!
by Jimmy Hatte May 10, 2008