The phrase "medicine show" typically refers to a traveling show in the late 19th and early 20th centuries where vendors would sell patent medicines, often with exaggerated claims of their effectiveness. Some synonyms for this term may include "snake oil show," "charlatan's carnival," or "quackery performance." These terms all carry connotations of fraud or deception, highlighting the questionable nature of the products and practices associated with these shows. While these shows may have once been popular forms of entertainment and commerce, they are now largely seen as relics of a bygone era, and the term "medicine show" is often used more broadly to refer to any situation where false or unproven claims are being made about medical products or treatments.