Definition of "slanguage"

slanguage

/ˈslæŋˌɡwɪd͡ʒ/

noun
countable and uncountable, plural slanguages
1. (somewhat informal) A particular vernacular or vocabulary of slang; the jargon or lingo of a particular group.
  Quotations
  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, page 107