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The definition of slang

3 Definitions of: slang

1. noun, a) vocabulary, idiom, etc, that is not appropriate to the standard form of a language or to formal contexts, may be restricted as to social status or distribution, and is characteristically more metaphorical and transitory than standard language b) (as modifier)
2. noun, another word for jargon
3. verb, to abuse (someone) with vituperative language; insult
4. Show me some examples of this word: slang
5. Show me the etymology of the word: slang

Synonyms:	colloquialism, jargon, idiom, argot

From Collins