Al

   amphetamine ingested illegally

   An evasion among many in the argot of those who illegally ingest narcotics:

    Goodman had learnt the alternative names for amphetamines. These included: Al, beans, bombido, bumblebees, cartwheels, chicken powder, co-pilots, crank, crossroads, diet pills, eye-openers, footballs, French blues, greenies, hearts, lightning, line, macka, miniberries, roses, speed, splash, sulph, thrusters, toffee whizz, truck drivers, turnabouts, wakeamine and zoom. (Fiennes, 1996)