A person hopelessly addicted to a controlled substance.

A term used to reference cannabis/marijuana/weed.

A term referring to someone addicted to psychoactive drugs, opiates in particular, and especially those using heroin (an opiate). The term was coined during WW1 when heroin or morphine addicts collected and sold scrap metal (junk) for a higher price to buy their drugs. After this, heroin and morphine themselves began to be known as "junk" and the users of said drugs became known as "junkies".

A William S. Burroughs novel detailing a story of opiates and users, published as a nearly "pulp" novel by Ace Books.

A heroin addict, one that is was and will always be. Before the crackheads and the crackwhores, Way before the dexheads and the E-tards wasting his life away, for pure bliss and contentment.

a person who is hopelessly addicted to heroin

1. An undesireable physical characteristic.

2. An undesirable behavior.