1.) The cloudy water dumped down the strainer after spaghetti has been boiled.
2.) A close cousin to "Ass Water". Loose stool violently ejected from the rectum after digesting too much fine Italian cuisine. (A common problem after family get-togethers at Olive Garden.)
1.) "Jane dumped the spaghetti water down the drain."
2.) (A real-world situation involving my own personal visit to a local McDonalds.) An African-American entered, drew his nose upward, and exclaimed: "Mann! Idd smell lyke spuhgetty wawduh in hurr!"