The saying is 'if it's yellow let it mellow" (aka don't flush), "if it's brown, ...

		rngname22 on Feb 6, 2023 \| parent \| context \| favorite \| on: Ask HN: Something you’ve done your whole life that... The saying is 'if it's yellow let it mellow" (aka don't flush), "if it's brown, flush it down". And I haven't heard that as a European thing.