When your school, workplace, or home has mold in it and it is making people sick. After so many people are sick, people may start to panic and declare it a moldapocalypse.
"OMG, Alex there was a moldapocalypse at school today, so school will be closed Wednesday and Thruday; it wil also be closed on Friday because they are still waiting for the final test results."
by theblackmesa February 8, 2013
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