doobie; dooby; doob; dube
noun
1
a marijuana cigarette. The earliest identification is as 'Negro slang for a marijuana roach'. A belief persists that the term was spawned from the 1950s American children's television show, Romper Room, in which children were urged to be 'good do-be's'. Alternative spelling with a 'u' for 'dubee' and 'dubbe' US, 1967.
2
a pill UK, 2002