| STREET TERM | DEFINITION |
| Back breakers | LSD and strychnine |
| Homicide | Heroin cut with scopolamine or strychnine |
| Red rock opium | Heroin, barbital, strychnine, and caffeine |
| Red rum | Heroin, barbital, strychnine, and caffeine |
| Red stuff | Heroin, barbital, strychnine, and caffeine |
| Spike | Heroin cut with scopolamine or strychnine; to inject a drug; needle; hypodermic needle |