An onion in your ear.
D000490:Allium; D004433:Earache / Q000628:therapy*; D005737:Garlic; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D008519:Medicine, Traditional; D008517:Phytotherapy; D010946:Plants, Medicinal