Hinckley; Hinkley noun phencyclidine, the recreational drug known as PCP or angel dust US
This summer, one brand of PCP is available as “Hinckley” (referring to John W. Hinckley Jr., who shot President Reagan) or “the Keys to St. E’s”–both references to the “craziness” induced by the drug. — WashingtonPost, p. B1, 29 July 1984
— US Department of Justice, StreetTerms, October 1994