unk unk
n.— «There is an old Navy term for the truly imponderable: UNK-UNK for unknown-unknown. Of the ten men Mr. Reagan has nominated so far, Mr. Donovan stands out as the “UNK-UNK” of the team. This is not to say that he cannot do a good job—only that he lacks evident qualifications.» —“The Vague General Haig” New York Times Dec. 17, 1980. (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...
Sean in Oneonta, New York, says that when he was growing up in New Jersey, his family would pile in the car and set off on a surprise adventure, whether a short distance or long, and the kids would be told only that they were going on Buxtehude...