︎doo-doo water
n.— «Then there is what the department affectionately refers to as “doo-doo water,” a brackish substance used by the department that simulates the environment mosquitoes thrive in.» —“Fighting the invasion” by Kipp Hanley Potomac News (Woodbridge, Virginia) Sept. 30, 2007. (source: Double-Tongued Dictionary)
Further reading
She sells seashells by the seashore. Who is the she in this tongue twister? Some claim it’s the young Mary Anning, who went on to become a famous 19th-century British paleontologist. Dubious perhaps, but the story of her rise from seaside...
Funny cat videos and cute online photos inspire equally adorable slang terms we use to talk about them. • Also, when a salamander is not a salamander, the story of an Italian term for a dish towel used halfway across the world, Bozo buttons...