Top Definition
The scientific term for the amount of acid that the artist was on when writing a song, often used in regards to music by Led Zeppelin, later Beatles music, and anything by Pink Floyd.
Man1: Dude, I Am the Walrus is so friggin trippy
Man2: Indeed, its staggering acidity can get you a contact high just listening to it
by RockinRolla21 February 20, 2012
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