baragouin

noun3

1. •
   A pidgin.

   • She spoke the rude French of the fishing villages, where the language lives chiefly as a baragouin, mingled often with words and forms belonging to many other tongues. — 1888
2. •
   (historical) A pidgin spoken by French and First Nations people in the 17th century in the region of North America now called Montreal.

   • [T]he French he uttered was such a baragouin as would not be comprehended if it were put down on paper; […] — 1847
3. •
   Unintelligible speech; gibberish, jargon.

   • I am sick of signals and ciphers and secret meetings and such baragouin. — 1909