【①スラッシュファンドの実態は船のクルーが調理用のごみから脂を売って作ったお金 Expires in 1 year ②船の会計とは別に作ったお金でクルーが小物を買うための仕組みが元のスラッシュファンド】

TIL that the term “slush fund” was originally a nautical term for cash that a ship's crew raised by selling fat (slush) scraped from cooking pots to tallow makers. This cash was kept separate from the ship's accounts and used to make small purchases for the crew.