nutmeg psychosis noun1 •A transient mental health disorder caused by the ingestion of a significant quantity of nutmeg, characterized by such psychotic symptoms as disorientation, hallucinations, and hyperexcitation.NUTMEG PSYCHOSIS Ingestion of ground nutmeg can induce symptoms, including transient psychosis and mild tachycardia, that are similar to those of an anticholinergic toxic episode. — 1993 formsnutmeg psychoses
