1 definition by Apocalypso

Often caused by playing excessive amounts of Left 4 Dead games or any other zombie games. It is where you get to the point where you imagine what every place you go to would look like, if it were a zombie apocalypse.
Affected: Dude, imagine fighting off a zombie apocalypse in this mall! Aww man, you could even use that display car to escape.

Normal person: Wow, dude you've been playing way to much left 4 dead

Affected: Yeh, I think I've got left 4 dead syndrome
by Apocalypso January 26, 2010

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