seat of ease n. aboard a ship, a board overhanging water for defecation or urination; a toilet. (source: Double-Tongued Dictionary)
Further reading
If you alternate alcoholic beverages with glasses of water over the course of an evening, you’re said to be zebra striping. This bit of slang was inspired by how the animal’s alternating black-and-white markings are like the contrast between the...
You might be surprised to learn that a “hoosier” isn’t necessarily from Indiana. Around the St. Louis, Missouri, area, the term hoosier has a whole other meaning. And: Scotland is the home of the Golden Spurtle world championship, but what exactly...