slang
1. [ noun ] informal language consisting of words and expressions that are not considered appropriate for formal occasions; often vituperative or vulgar
Examples:

"their speech was full of slang expressions"

Related terms: non-standard_speech tripper
2. [ verb ] abuse with coarse language
Related terms: abuse
3. [ verb ] fool or hoax
Synonyms: take_in gull dupe put_one_over fool cod put_on put_one_across befool
Examples:

"The immigrant was duped because he trusted everyone" "You can't fool me!"

Related terms: deceive pull_the_leg_of chump victim fraud take-in
4. [ verb ] use slang or vulgar language
Related terms: speak cant
5. [ noun ] a characteristic language of a particular group (as among thieves)
Synonyms: argot jargon patois lingo vernacular cant
Examples:

"they don't speak our lingo"

Related terms: non-standard_speech rhyming_slang street_name wog baby nervousness clean deck pile stuff built buy_it besotted corker some chuck hoof nosh-up square-bashing square bunfight bolshy mean guvnor caff pint-size can-do bite slam-bang bunk_off feel squeeze baloney folderol gat burnup freaky heist schlock cert shakedown boffin niff out-and-outer schlockmeister bad_egg 'hood old_man good_egg airhead legs uncool shakedown give bitch juice bumf key juice drop-dead
Similar spelling:   slangy
  sling
  slangily
  slinger
  slowing
  slaying
  slinging
  slink
  Solange
  slyness
  Slinker