sliding
n.— «Beavers and other investigators are also on the lookout for a practice known as sliding, where an agent sells coverages or add-ons to clients without their knowledge.» —“Officials Looking to Catch Few Bad Apples Among P/C Insurance Agents” by Andrew G. Simpson Insurance Journal June 17, 2009. (source: Double-Tongued Dictionary)
Further reading
In Scotland and Northern England, something that’s kenspeckle is “conspicuous.” This word likely comes from Scandinavian languages and is related to English ken, meaning “range of knowledge.” And it’s not just ken...
When you had sleepovers as a child, what did you call the makeshift beds you made on the floor? In some places, you call those bedclothes and blankets a pallet. This word comes from an old term for “straw.” And: What’s the story...