A phrase that is used when something is beyond cheesy/corny. The phrase orginates from cheese gone bad. The bad mold in cheeses creates a harmful bacteria. The mold can send threads of mold into the cheese to create the bacteria as does an extra dose of cheesy. Hence the phrase.
Sarah: "There's only one of you. You're irreplaceable.."
Mary: "Moldy cheese!" Haha
by whitey m September 26, 2013

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