- to inform on someone to the police or a narcotics officer for possession, sale, etc., of illicit drugs (usually used with on): It figures he’d narc on me to the cops as soon as he saw my stash.Who narced?
- to inform on someone to an authority (usually used with on): I've narced on drivers I see throwing litter out their windows.
- to inform on: A few kids were narced out as drug dealers and got expelled from school.Won’t the neighbors narc you out to the authorities for keeping chickens?
- variant of narco- before a vowel: narcoma.
- a narcotics agent