This is silly but kind of fun.
Here’s what a San Antonio and Austin metroplex should be called, according to Reddit
https://www.expressnews.com/news/local/article/austin-san-antonio-metroplex-reddit-17454227.php
Gridlockistan
Traffic Hell
The Corridor or El Corridor
The MetroMex
San Austonio
Austintonio
San’stone
Greater San Marcos
Greater New Braunfels
San Braunfels Marco Austin, featuring Lil Buda
Acronyms
ASA
ayy, ese
ASS (Austin/San Antonio/Suburbs)
Austin-San Antonio Metropolitan Region (ASMR)