heater
n.— «Heater case: A crime that’s getting a lot of publicity. It means the pressure is on to solve it immediately, a k a “front burner.”» —“Chicago Speak” by Anne Keegan Chicago Tribune Dec. 22, 1993. (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...