thump mat
n.— «‘Thump mats,” as they became known, were handmade by sailors to muffle the sound of the pulleys hitting the wooden deck, for the benefit of those trying to sleep below deck.» —“Need rope? Knot a problem for Barry” by Jodie van de Wetering ABC (Wide Bay, Queensland, Australia) June 15, 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...