triple witching
n.— «August individual equity options and some options on stock indexes stop trading at Friday’s close, which is commonly referred to as triple witching.» —“Stocks Set to Fall Amid High Oil Price” by Rachel Cohen in New York City Reuters Aug. 20, 2004. (source: Double-Tongued Dictionary)
Further reading
Sigrin writes from Albany, New York, that she misheard our earlier conversation about the expression shaving yak hair meaning “performing a monotonous, tedious task.” At first she thought we said shaving gnat hair, which she figures is...
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...