Low, vulgar, unauthorized language; a popular but unauthorized word, phrase, or mode of expression; also, the jargon of some particular calling or class in society; low popular cant; as, the slang of the theater, of college, of sailors, etc.
To address with slang or ribaldry; to insult with vulgar language.
'Detroit 1-8-7' - the numbers are police slang for murder - is filmed in that blue-collar Michigan city, providing a flavor of authenticity. Detroit offers a unique visual landscape that tells the story of the city and what it's been through. Michael Imperioli