1 definition by CaptainDizzy
the ZA (or Z.A.) is an acronym referring to or about the zombie apocalypse, the time during which society will fall to a horde of flesh eating zombies creating an apocalypse to the modern world as we know it, much like the settings of the movies Day of the Dead, 48 Days Later, and Zombieland.
by CaptainDizzy June 22, 2010