Definition of slang
(Entry 1 of 2)
2
: an informal nonstandard vocabulary composed typically of coinages, arbitrarily changed words, and extravagant, forced, or facetious figures of speech
slang
verb
slanged; slanging; slangs
Definition of slang (Entry 2 of 2)
: to use slang or vulgar abuse
: to abuse with harsh or coarse language
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Merriam-Webster unabridged
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Time Traveler for slang
The first known use of slang was in 1756
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