rock snot
n.— «Biosecurity New Zealand is asking river users to avoid the Buller River while it investigates confirmed finds of a highly invasive algae, commonly known as rock snot, that smothers riverbeds.» —“‘Rock snot’ found in Buller” by Simon Bloomberg Stuff.co.nz (New Zealand) Sept. 28, 2005. (source: Double-Tongued Dictionary)
Further reading
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...
One of the celestial bodies listed in The Dictionary of Minor Planet Names(Amazon) is called Sumaura. It’s the name of the oldest private elementary school in Kobe, Japan, and was suggested by the discoverer’s son. This is part of a...