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When poo comes out in little audible pellets.
Pause the movie, I'm away to make some Plopcorn.
by Timmy Plop October 27, 2018
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"Exploding" cereal that doesn't "do its thing".
I found a still-sealed bag of Jiffy-Pop among some old stuff that my neighbor gave me from clearing out her attic, but it was so old and dried out that it turned out to be just "plopcorn"... I ground it up and used it for birdseed.
by QuacksO August 09, 2018
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