The adult bookstore in so california where guys (or girls) on occasion go to view porn by means of magazines or in video viewing booths on 2 floors. usually in the video booths people walk up and halls and peek into booths trying to get a hookup or to get a freak on inside the store.

often called "the mustang" "the mustang bookstore" "mustang bookstore" "mustang".
the regulars that go here are sometimes calleed "mustangers"