Centuries ago in middle Europe, a coded Language appeared, scrawled in graffiti and spoken only by people who were "wiz" (in the know).
It was a Language of the road associated with vagabonds, travelers, Jews, and thieves that blended words from Yiddish, Hebrew, German, Romani, Czech, and other European languages and was rich in expressions for police, ja.
This hybrid language, dubbed Rotwelsch, facilitated survival for people in flight--whether escaping persecution or just down on their luck.
Centuries ago in middle Europe, a coded Language appeared, scrawled in graffiti and spoken only by people who were "wiz" (in the know)