Street drug

Origin

This term comes from the fact that these types of substances are normally sold on the street by drug dealers.

Full definition of street drug

Noun

1. (slang) A drug used illegally and recreationally for its euphoric and other mind-altering effects such as: opiates, cannabinoids, benzodiazepines, amphetamines and others.Street drug sales are a huge problem for law enforcement since they are a magnet for gun violence and drug users.