Related Clues:

• 'Language that rolls up its sleeves, spits on its hands and goes to work,' per Carl Sandburg
• Nonstandard speech
• Subject for Eric Partridge
• Insiders' talk
• Distinctive vocabulary
• Exclusive lingo
• Secret lingo
• Boffo or blotto, e.g.
• What "yo mama" is
• "Beak" for "nose," e.g.
• Sicko or wacko, e.g.
• The word on the street?
• Legalese, say
• Arcane vocabulary
• "Bad" for "good," e.g.