Didi
n.— «Most Indians, for example, do not call their elder sisters by name but as “Didi” or an equivalent term (just like how one does not normally call one’s parents by name, but “Mother” or “Father.”)» —“Hindi and Innocent Creole Culture” by Kirk Meighoo Trinidad Express Apr. 23, 2004. (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...
Aubrey in Waco, Texas, says her mother used to warn the kids against contracting honkus of the bonkus, a fanciful name for a contagious disease. This colloquial term probably comes from the words bonk and konk, meaning “to hit” or...