The socially toxic pollution created by a person's psychotic or borderline psychotic meltdown. The confusion, frustration, resentment and anger others experience during AND after a friend or loved one's psychological breakdown. The abbreviation of "psychological hazardous waste." The psychological equivalent to "biological hazardous waste (biohazardous)."
Leonard's explosive temper left his family and friends in an uncomfortable atmosphere of psychohazardous waste.
The result of Kiesha's unforeseen meltdown was a joyous occasion spoiled by the destructive psychohazardous waste left behind.