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n. Slang
A person who uses LSD.


(Recreational Drugs) slang a person who uses LSD


(ˈæs ɪdˌhɛd)

n. Slang.
a person who habitually takes the drug LSD.


n (inf: = LSD user) → Acidhead m (sl)
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References in periodicals archive ?
Behind it all is an "Indo-Chinese" drug cartel, a stand-in for the Vietnam War and ultimately a front for whatever cosmic antiplan you like--Doc Sportello being a sort of acidhead Don Quixote complete with intermittent sidekick, maritime lawyer Sauncho Smilax (Benicio Del Toro).
As an old acidhead joke goes, LSD is a highly volatile drug that can induce heart palpitations, panic, and paranoia--in those who have never taken it.
Apart from brief scenes of an acidhead girl and excited kids in the street, the wider rock 'n' roll community has been replaced in Cocksucker Blues by the court: the STP, or Stones Touring Party.