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

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