from the movie of the same name, a person who gets their high by way of prescription drugs, most likely obtained illegally.
"Most people don't know how they're gonna feel from one moment to the next. But a drugstore cowboy has a pretty good idea. All you gotta do is look at the labels on the little bottles.
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug