ac·​id·​head | \ ˈa-səd-ˌhed How to pronounce acidhead (audio) \

Definition of acidhead

: an individual who uses LSD

Examples of acidhead in a Sentence

Recent Examples on the Web With acidheads in the streets and upheaval in the studios, 1969 was a time of profound change not just in Hollywood, but in America at large. Alejandro De La Garza, Time, "The True Story Behind Once Upon a Time... in Hollywood," 26 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acidhead.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of acidhead

1966, in the meaning defined above

History and Etymology for acidhead

acid entry 1 + -head (as in dopehead, hophead, pothead)

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Time Traveler for acidhead

Time Traveler

The first known use of acidhead was in 1966

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Cite this Entry

“Acidhead.” Dictionary, Merriam-Webster, Accessed 23 Apr. 2021.

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