First attested in c. 1969 in Rolling Stone magazine.

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angel dust (uncountable)

1. (slang) Phencyclidine, a type of dissociative anesthetic.

   Synonyms: fairy dust, PCP, peace pill, crystal, hog, horse tranquilizer, zoot

2. (Ireland, slang) Clenbuterol, a banned drug formerly used in animal feedlots.

   Coordinate term: devil's dust

• “angel dust n.”, in Green’s Dictionary of Slang, Jonathon Green, 2016–present.