Top Definition
The feeling that the poo you just experienced may have resulted in a tearing of the perineum, not unlike the tearing a woman may experience during childbirth.
Person One: Why are you sitting on a pillow, today?

Person Two: Tamales with chili for dinner last night...resulted in an epoosiotomy of gigantic proportions. I'm still not sure I don't need stitches.
by prussian princess December 07, 2009
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