Having hard poop slowly come out of your anus and gradually get bigger until it is too heavy for your anus to hold.
Jonny had a huge poop-erection after eating 3 banana's.
by Ciel May 30, 2006
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When your poop you left in the toilet is long and in a straight line.
Dang! I made an Erect Poop!
by feggbzherhare May 2, 2021
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