slanguage

Noun

slanguage (countable and uncountable, plural slanguages)

1. (informal) A particular vernacular or vocabulary of slang; the jargon or lingo of a particular group.
   • The origin of the name of these sailors’ nightmares has never been satisfactorily explained in the Royal Australian Navy, and so we fall back on Mr. Wilfred Granville, that expert on sea-slanguage.1960, J. E. Macdonnell, Don't Gimme the Ships, Melbourne: Horwitz Publications, page 87
   • Slanguage words tend to lead mayfly lives, counting their duration by days instead of decades. For every one that survives there are dozens of crib deaths.1994, Richard Lederer, Adventures of a Verbivore, New York: Pocket Books, →ISBN, page 107