cement arm
noun1
Slang A person's arm that has scarred and hardened from the repeated injection of recreational drugs.
- […] this use of codeine causing, in underworld parlance, a “cement arm”, hard lumps forming at the point of injection.1932, Traffic in Opium and Other Dangerous Drugs, page 8:
- As the “cement arms” became more common, the earlier patients began to fall away. Some of them thought that the iron in the mixture was responsible, and asked Dr. Lilliendahl to leave it out of their prescriptions. But he never did.1953, Leroy Street (pseudonym), I was a Drug Addict (page 153)