Our name is composed of two words:

Word one: drug
Word two: buyers

We all know what "buyers" means but the word drug is not so clear.
 Please see below for what the best dictionaries think  the word "drug" means...

drug
Etymology: Middle English drogge
Date: 14th century
... a substance used as a medication or in the preparation of medication
... according to the Food, Drug, and Cosmetic Act (1) : a substance recognized in an official pharmacopoeia or formulary (2) : a substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease (3) : a substance other than food intended to affect the structure or function of the body (4) : a substance intended for use as a component of a medicine but not a device or a component, part, or accessory of a device

Cambridge Dictionaries Online
drug (MEDICINE) noun [C] 
any natural or artificially made chemical which is used as a medicine 
anti-cancer/fertility/pain-killing drugs
Unfortunately, the tumour failed to respond to drugs/drug therapy.
At the time, some 500 000 patients were receiving the drug on prescription.
Perhaps drug companies should spend less on product promotion and more on research and development.
He takes drugs for his high blood pressure.

WordNet Vocabulary Helper
drug -- (a substance that is used as a medicine...)

Dictionary.Com
drug
A substance used in the diagnosis, treatment, or prevention of a disease or as a component of a medication...

Academic Press Dictionary of Science and Technology
drug   Pharmacology.  1. any chemical compound that is used in the prevention, diagnosis, treatment, or cure of disease, for the relief of pain, or to control or improve any physiological or pathological disorder in humans or animals. Any chemical compound that is used in the prevention, diagnosis, treatment, or cure of disease, for the relief of pain, or to control or improve any physiological or pathological disorder in humans or animals

Anyone interested in other definitions, or uses of the word "drug", is in the wrong place!