A derogatory term for a legal Mexican American Immigrant residing in the United States. This term directly refers to the Constitutional Status a Mexican National procures when legally immigrating to the U.S. from Mexico, where one does not have the same level of constitutional rights.
Joe American: Hey Javier, you fucking Mexifree, saddle up your mule and sell us some cheese.
Javier Mejicano: Si, Senior, Chupa Mi Verga!!