on the needle

on the needle

slang Currently using, intoxicated by, or addicted to intravenous narcotics, especially heroin or morphine. I assumed he was on the needle because that glassy, vacant look in his eyes. You can tell Tara's back on the needle again—she's been looking really sick and out of it lately.
See also: needle, on
Farlex Dictionary of Idioms.

on the needle

mod. addicted to injectable drugs. (Drugs.) My sister’s on the needle, and I want to help her.
See also: needle, on
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • on the junk
  • on the mojo
  • get stupid
  • snaved
  • snaved in
  • snaved-in
  • be out of (one's) face
  • stoned out of one’s head
  • stoned out of (one's) head
  • stoned out of (one's) mind
References in classic literature
'Now she is good for nothing!' said the Fingers; but they had to hold her tight while the cook dropped some sealing-wax on the needle and stuck it in the front of her dress.