seat of ease
n.— «Taking medicine meant swallowing improbable quantities of calomel, suphur, Turkey rhubarb (often added to their own surgeon’s prescription) and spending the whole of the next day on the seat of ease, gasping, straining, sweating, ruining their lower alimentary tract.» —by Patrick O’Brian The Truelove May 1, 1992. (source: Double-Tongued Dictionary)
Further reading
Is there such a thing as a “neutral” accent, and if so what does it sound like? And that quirk in the way southern Californians talk about freeways. They’ll say things like take the 405 and get on the 8. Why the definite article...
Floordrobe is the new word for an old habit: piling your clothes on the floor instead of putting them away. The Oxford English Dictionary recently added an entry for it, defining floordrobe as “an untidy heap of discarded clothing left on the floor...