black sky
n.— «The second is that there is a balance to be struck between the positive and the negative—”blue sky” and “black sky”, in the parlance of strategists—and that there has been too much thunder from each side.» —“Positively negative” Times (London, England) Mar. 8, 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...