An adjective used to describe any person, place, activity involving abnormal unique behavior, dress, action. The opposite of basic.

Refined.
"Did you see that girl just walk by? She looked acidic as fuck."

"No dude, Sofia is different, she's acidic."
by LostBoy January 25, 2014
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Having a Ph of less that 7.0
I tripped on acid. A bottle of muriatic acid was left on the floor and I tripped over, that is.
by DrMullet February 18, 2004
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acid-The wonderful gateway in your pocket to a world that is yours for the creating, whether it be talking frogs, stary faces on apple trees that just wont blink and you're sure that they know your name or maybe just the good old headmash that convinces you that you ARE, in fact, a carrot.
A truly marvellous man made hallucinogen that could, one day, replace calpol.
mate, MATE, MAAAATE? Shhh. hello? acid? aah. i see,
i appear to have eaten something bigger than my head.
by tommo September 3, 2005
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the gateway to transcendence and temporary enlightenment. chemical keys to the gates of heaven.
I wish my bathroom sink ran hot cold and acid.
by minghi May 6, 2003
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A term that can be used alongside a person, place or thing to describe a particular event or situation that is very similar though highly exaggerated.
"I went to see that comedy show the other night. The guy was like Jim Carrey on acid."

"That disco was like the 80s on acid."
by Tomius J. Barnard July 10, 2006
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The drug LSD-25. A gift from the gods which turns your brain inside out so that the innermost contents of your mind leak bizarrely into the world around you. An acid trip is a lot like an elaborate, extended waking dream which can sometimes turn into a nightmare without warning. Tripping on LSD is not about rainbow colors and being chased by flying pink elephants; it is a total elimination of preconceptions about the world and a profound distortion of reality which many casual users find too intense. Acid is extremely potent: a tiny dose of this drug can cause a life-altering experience. Depending on the dosage, you might expect things like getting lost in the curtains, seeing swarms of insects in the walls, or experiencing days between each minute of the clock.
Many people are not aware that the rivers in the biblical garden of Eden actually ran with acid and liquid ecstasy, and were bordered by shady groves of marijuana and fields of opium poppies growing in a soil of one hundred percent pure DXM.
by morning star March 24, 2008
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