acid test

A series of parties and gatherings consisting of high use of grass, speed, and most especially LSD. These gatherings were common in the mid to late 60's created by novelist Ken Kesey and his Band of Merry Pranksters. The band The Grateful Dead, was conceived at these acid tests.

a very thourough test(acid is used in the chemical test to determine if gold is real or not)

'Can you pass the acid test?'

Simply answer yes or no. The basis of the meta-experiment is whether or not you are able to put yourself up to something without asking a follow question.

A technique wherein a person subjects a potential friend to a series of mean or horrific tests to see if the person is actually cool.

Tom Wolfe wrote The Electric Kool-Aid Acid Test about Ken Kesey, a promising young writer, during Kesey's experimentations with LSD from about 1961 to 1964.

Kesey bought property in La Honda and moved his wife and children and assorted Merry Pranksters to the mountains outside of San Francisco. There they began throwing parties Kesey called Acid Tests, where revelers would ingest LSD, sometimes without their knowledge, and attempt to survive the often harrowing night. Kesey believed that one's personal fears should be confronted under the influence of hallucinogenic drugs.

Musical performances by the Grateful Dead were commonplace, along with black lights, strobe lights, and day-glo paint. Kesey constantly pushed the limits with his own experimentations and eventually moved the Acid Tests into public places such as the Longshoreman's Hall, Muir Beach, or musical events at Bill Graham's Fillmore West. The Acid Tests are notable for their influence on the LSD-based counterculture of the San Francisco area and subsequent transition from the beat generation to the hippie movement.

A film adaptation of the book is in development for a 2011 release. It will be directed by Gus Van Sant. So far, no casting decisions have been announced, but both Woody Harrelson and Jack Black are being considered to star as Kesey.