Rotwelsch

Rotwelsch (German: [ˈʁoːtvɛlʃ], "beggar's foreign (language)") or Gaunersprache (German: [ˈɡaʊnɐʃpʁaːxə] "crook's language") also Khokhmer Loshn (from Yiddish "חוכמער לשון", "tongue of the wise") is a secret language, a cant or thieves' argot, spoken by groups (primarily marginalized groups) in Germany, Switzerland, Austria, and Bohemia. The language is based on a mix of Low German, Yiddish, Hebrew, Romani, Latin, and Czech with a High German substrate.