Hudson River alligator
n.— «The quaint wooden pilings you see at the edge of Manhattan, the ones that trace the outlines of long-gone piers, are a hazard in the making. When a storm knocks one of them loose, the resultant floater—a “Hudson River alligator”—becomes a twenty-foot battering ram.» —“Secrets of the Deep” by Christopher Bonanos New York Magazine May 10, 2009. (source: Double-Tongued Dictionary)
Further reading
Why would some Spanish speakers use adaptations of certain English words when perfectly good Spanish words for the same thing already exist? Plus, handy terms in a dictionary of the Sussex dialect from 150 years ago: Back then, a dezzick was “a...
According to Gobsmacked: The British Invasion of American English (Bookshop|Amazon) by Ben Yagoda, the word smarmy, meaning “unctuous” or “ingratiating,” may come from a 19th-century magazine contest, in which readers sent in made-up words such as...