What does Alamo Whites mean?

Alamo Whites meaning in Urban Dictionary

A suburb in San Antonio for rich. Officially called Alamo Heights, it has things such as $30,000 rolex watches, exclusive family-owned planes, and huge houses. A lot of the people residing there are white, therefore the subject, "Alamo Whites." Some individuals make reference to it as a bubble, because AW's marry other AW's and replicate even more AW's. Every one of the schools are in the suburbs, and anything else.