slop-jar

noun1

1. •
   (US, old-fashioned) A container used for urinating or defecating when it is not possible or convenient to use a bathroom or toilet; a bedpan, a chamber pot. Commonly used in hospitals, where it is normally called bedpan. Formerly used in private residences that were without an indoor toilet or bathroom.

   • "All you fit to do is be Shug's maid... Take out her slop jar, maybe cook her food. You ain't even that good a cook." — 1985