dead-set moral
n.— «One Victoria Derby day he had $200,000 on a dead-set moral (racing parlance for a certain winner) in the first race at $1.90 and it got beaten.» —“Tall tales and true” Australian (Sydney) Dec. 28, 2005. (source: Double-Tongued Dictionary)
Further reading
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...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...