fairy dust
n.— «Company employees knew of the false accounting entries and referred to them as “pixie dust” or “fairy dust,” according to the committee’s report.» —“HealthSouth CEO’s trial has local angle” by Jim Hall Free Lane-Star (Fredericksburg, Va.) Mar. 11, 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...