toilet water

plural toilet waters

1. countableuncountableA perfumed mixture of water and alcohol somewhat like cologne: synonym of eau de toilette.

   A toilet water with a strong scent, originally produced at Cologne, Germany.

   2008, Andrew Delahunty, “eau de Cologne”, in From Bonbon to Cha-cha: Oxford Dictionary of Foreign Words and Phrases, Oxford University Press, →ISBN, page 107

2. countableuncountableUsed other than figuratively or idiomatically: see toilet, water: wastewater in a toilet.

   This may provide a simple explanation for the seemingly universal desire of all dogs to drink from the toilet. Since toilet water has likely been refreshed more recently than the water in Fido's bowl, it tastes better.

   2019, Marc Bekoff, Jessica Pierce, Unleashing Your Dog