alligator
n.— «In the summer, there are lots of retreads.…We refer to them as alligators because they’re heavy and have steel in the treads so they can bite you.» —“Retired engineer now a highway angel” by Sarah Schulz Grand Island Independent (Neb.) Dec. 26, 2005. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...