Meaning: someone who cheats people by claiming to have special knowledge, especially in medicine
- Marion reckons those quacks who charge a fortune for so-called natural cancer cures should be jailed for fraud.
- In the nineteenth century, quacks would travel around selling their own "patent medicines", many of which contained powerful ingredients like opium or cocaine. Can you guess how Coca-Cola began?
Tina sought treatment from an expensive quack because she