Synonyms:
slang, cant, jargon, lingo, argot, patois, vernacular
Meaning: a characteristic language of a particular group (as among thieves); "they don't speak our lingo"
Usage examples
Like his predecessor, Jacob Boehmen, he mixed up religious questions with his philosophical jargon, and took measures for declaring himself the founder of a new sect.
Having returned his antagonists's fire in this fashion, he blushed--for he could blush distinctly now--and his mother looked upon him with pleasure, thought the reference to Midas and roosters was of course jargon to her.