Definition of 'slang'

Noun

1. informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar; "their speech was full of slang expressions"
      Synonyms: slang expression slang term
2. a characteristic language of a particular group (as among thieves); "they don't speak our lingo"
      Synonyms: cant jargon lingo argot patois vernacular

Verb

1. use slang or vulgar language
2. fool or hoax; "The immigrant was duped because he trusted everyone"; "You can't fool me!"
      Synonyms: gull dupe befool cod fool put on take in put one over put one across
3. abuse with coarse language

---