Meaning of Mexamerica in English:

Mexamerica

Pronunciation /ˌmɛksəˈmɛrɪkə/

noun

(also MexAmerica)
  • Any part of the United States (especially the south-west) having a large Mexican American population and a strong Mexican cultural influence.

Origin

1970s; earliest use found in The Washington Post. From Mex + the name of America.