doob; doub noun an amphetamine pill or other central nervous system stimulant UK
“Got any doubs (pills)?” “Too true.” “Spare?” — Ian Hebditch, Weekend, TheSharperWord, p. 133, 1969
Both groups took the same drug–basically “speed”, alternatively known as “purple hearts”, “blues”, “doobs” or uppers.” — Peter Burton, ParallelLives, 1985