hippo’s tooth
n.— «At the same time, the cement bollards, affectionately known as “hippo teeth,” will be replaced by historically correct guardrails made of cedar and steel.» —“Mountain rehab is tough trek” by Jessica Willis Berkshire Eagle (Pittsfield, Massachusetts) July 28, 2007. (source: Double-Tongued Dictionary)
Further reading
Brian from Mandan, North Dakota, is puzzling over one of her mother’s sayings. If someone left quickly or abruptly, she’d say that they took off like a ruptured duck. There’s a famous World War II-era military discharge emblem featuring an eagle...
Will Shortz, crossword editor of the New York Times and puzzlemaster on NPR’s “Weekend Edition Sunday,” shares a quiz about a whole menagerie of animals with names that are portmanteaus. For example, if you could cross a chipmunk and a monkey, you...