gringoa gringa (Latinoamérica)
(lenguaje ininteligible) gibberish
hablar en gringo to talk double Dutch (familiar)
The word gringo is a derogatory term used in Latin America to refer to white English-speakers, usually Americans, especially in the context of alleged economic, cultural and political interference in Latin America. One rather fanciful theory traces its origin to the Mexican-American War of 1846-48 and the song "Green Grow the Rushes-oh", supposedly sung by the American troops. According to another theory it is a corruption of griego or "Greek", in the sense of anything foreign and unintelligible, as in the English expression "it's all Greek to me".