# if it's yellow, let it mellow; if it's brown, flush it down

> English word · Phrase

## Definitions
1. In order to save water, only flush the toilet after defecation, not after urination.

## Etymology
Initially coined during one of the California droughts.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/if-it-s-yellow-let-it-mellow-if-it-s-brown-flush-it-down