trippy
An adjective meaning cool, freaky, groovy, amazing, or all of the above, depending on the context in which it's used. Although "trippy" is a fairly new word, the root word, "trip," refers to soft psychedelic trips and has been in use since the 60's.
Person 1: "Whoa, dude. Those yellow fractals in the air are pretty trippy..."
Person 2: "Um, I think you've seriously gotta cut the acid. That's the McDonald's sign."
Person 2: "Um, I think you've seriously gotta cut the acid. That's the McDonald's sign."
Get the trippy mug.