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The infection of the grass from a chia pet.
In the long run, the grass engrosses the victim, and slowly eats away at its soul, gradually forcing the victim to worship the chia pet leader, and releasing the new zombie minion.

Symptoms include:

-cold hands
-zombie-like stares
-general headache.
"Oh crap. She just got the Chia plague."
by keysmashfailplague January 20, 2010
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