1807, Amer.Eng., "sauce, gravy," from Du. doop "thick dipping sauce." Extension to "drug" is 1889, from practice of smoking semi-liquid opium preparation. Meaning "foolish, stupid person" is older (1851) and may have a sense of "thick-headed." Sense of "inside information" (1901) may come from knowing before the race which horse had been drugged to influence performance. Related: Doped; doping. Dope-fiend is attested from 1896.
onderful; excellent; cool, rad, super: It's a dope day, dude!/ Redman was one of the people Andre said was dope/ have, in the parlance of the street, become ''dope'' and ''phat,'' i.e. cool, greatest(1980s+ Teenagers)
Any narcotic drug, legal or illegal •First applied to opium, by 1889: They searched him for dope/ The doctors kept him full of dope(1895+)
Coca-Cola2: Jim Bob sat down and ordered a large dope(1915+)
Any liquid, esp a viscous one, used for a special purpose: massaged his lamps with fragrant drug store dope(1872+)