hawala
n.— «Generally, a Hawala is a system of brokers that provide a paperless banking system enabling individuals to transfer large sums of cash from one country to recipients in another country without the funds ever crossing borders or being recorded.» —“Last orders for bar banking?” by Ray O’Hanlon Irish Echo (New York City) Aug. 24, 2005. (source: Double-Tongued Dictionary)
Further reading
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...