This means Albuquerque, New Mexico. We call it this cuz it is one of the biggest city in the western part of the US that starts with the leeter A. It is also the most gangsta city in the southwest.
The first line in the orgasmic song that is called Don't Stop Believing. If that one line is sung in any public place during a long period of silence it will cause everybody within a 30 foot radius to break out singing.
*In a library after 30 minutes of silence*
Guy 1: Just a small town girl...
Guy 2: ...Living in a lonely world...
Everybody: She took the midnight train going anywhere...