Green’s Dictionary of Slang

Detroit pink n.

[? local packaging]

(drugs) phencyclidine.

[US]Detroit Free Press (MI) 13 July 8D/3: The first [talk] is on ‘Detroit Pink,’ the illegal drug PCP and its dangers.
[US]Abel Dict. Drug Abuse Terms.
[US]ONDCP Street Terms 7: Detroit pink — PCP.