Noun
a narcotics addict
someone who is so ardently devoted to something that it resembles an addiction
Source: WordNetThe fact that I was a junkie for a long time is only one slice of my own personal pie, which is made up of a lot of different slices. Anthony Kiedis
I'm a liberal arts junkie. Mary Chapin Carpenter
A junky runs on junk time. When his junk is cut off, the clock runs down and stops. All he can do is hang on and wait for non-junk time to start. A sick junkie has no escape from external time, no place to go. He can only wait. William S. Burroughs
The trouble with Nixon is that he's a serious politics junkie. He's totally hooked and like any other junkie, he's a bummer to have around, especially as President. Hunter S. Thompson
I've heard we're Christian, and that always tickles me. I've heard that I'm a junkie. I've heard that I'm a vampire. I'm a junkie vampire. That can be your pull-quote. Davey Havok
There's a fine line between sensible emotional restraint, and the withdrawal symptoms of a stimulus junkie denied her fix. Larry Niven