流ながし忘わすれ

noun

forgetting to flush the toilet

Refers to the act of forgetting to flush the toilet after use. Often used in household or public restroom contexts.

• トイレの流ながし忘わすれに気きをつけてください。

  Please be careful not to forget to flush the toilet.

• 流ながし忘わすれが多おおいので張はり紙がみをした。

  I put up a notice because people often forget to flush.