non-paper
n.— «The SPD sources also confirmed that Soviet Ambassador Semyonov did deliver a “nonpaper” (diplomatic jargon for an unofficial message) in early February that hinted at a message of mediation.» —“Willy Brandt: go-between in US-Soviet dispute?” by Joseph Joffe in Hamburg Christian Science Monitor Feb. 28, 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...
Responding to someone during a dispute with What does that have to do with the price of tea in China? is a way to deflect the comment or derail the discussion entirely. While the phrase the price of tea in China is the most common version...