[slang] n [origin unknown] (1756) 1: language peculiar to a particular group: as a: argot b: jargon 2
2: an informal nonstandard vocabulary composed typically of coinages, arbitrarily changed words, and extravagant, forced, or facetious figures of speech -- slang adj -- slang.i.ly adv -- slang.i.ness n -- slangy adj
[2]slang vi (1828): to use slang or vulgar abuse ~ vt: to abuse with harsh or coarse language