air supply
n.— «We thought you should be given a quick taste of the fiddles his Ugandan counterpart uncovered. For bagmen, brothels, bookmakers and bribes read “air supply.”» —“Regular Shorts” by Paola Totar Sydney Morning Herald (Australia) July 4, 1989. (source: Double-Tongued Dictionary)
Further reading
What kind of book do people ask for most often in prison? Romance novels? No. The Bible? No. The most requested books by far are … dictionaries! A number of volunteer organizations gather and distribute used dictionaries to help inmates with...
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...