pocho

[ paw-chaw; English poh-choh ]
/ ˈpɔ tʃɔ; English ˈpoʊ tʃoʊ /

noun, plural po·chos [paw-chaws; English poh-chohz] /ˈpɔ tʃɔs; English ˈpoʊ tʃoʊz/. Mexican Spanish: Usually Disparaging.

an American of Mexican parentage, especially one who has adopted U.S. customs and attitudes; an Americanized Mexican.