Armstrong told Harold that reefer was "medicine for headaches, toothaches, and the blues," advice Conrad took to heart.
University of Colorado cracks down on 4/20 reefer madness, but a few students still manage to party.
“We were taught with reefer Madness that it was a hard-core drug and we should veer away from it,” she says.
"marijuana cigarette," 1920s, perhaps an alteration of Mexican Spanish grifo "marijuana, drug addict" [OED]; or perhaps from reef (v.), on resemblance to a rolled sail. It also meant "pickpocket" in criminal slang (1935). Reefer also was a nickname for "midshipman" (1818) "because they attend in the tops during the operation of reefing" [Century Dictionary], which is the source of the meaning "coat of a nautical cut" (1878) worn by sailors and fishermen "but copied for general use in the fashions of 1888-90" [CD].
reefer reef·er (rē'fər)
Marijuana, especially a marijuana cigarette.
A refrigerated railroad car, truck, ship, etc; freeze: A malfunction in a refrigerated trailer, or reefer, raises the temperature
[1914+; fr refrigerated]
A front-page paragraph referring to a story on an inside page: The Times ran a reefer with the new term for ''change of mind'' subtly noted/ The Timeses of New York or LA could produce front pages of refers, meaning concise summaries that resemble the tops of articles (1990s+ Newspaper office)