loca.

(a loanword from Spanish)

Headword: 
loca.
Principal English Translation: 

crazy (adjective), or, a crazy woman (a loanword from Spanish) James Lockhart, Nahuatl as Written: Lessons in Older Written Nahuatl, with Copious Examples and Texts (Stanford: Stanford University Press and UCLA Latin American Studies, 2001), 223.