a bang in the arm

a bang in the arm

An injection of drugs, often narcotics. I knew he was struggling with his addiction again when I overheard him talking about getting a bang in the arm.
See also: arm, bang
Farlex Dictionary of Idioms.

bang in the arm

n. an injection of narcotics. (see also bang. Compare this with shot in the arm.) One good bang in the arm leads to another, they always say.
See also: arm, bang
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • bang in the arm
  • be bang on
  • kick it
  • kickin
  • carry a Chinaman on (one's) back
  • have a Chinaman at (one's) neck
  • have a Chinaman on (one's) back
  • be to do with (something)
  • be/have to do with somebody/something
  • bang around