3 definitions by o0 I3LACKOUT Oo

The event of an extremley runny shit, usually caused by recent diets.
I ate a whole box of bran flakes and Iv'e been bumpissin' for hours!
by o0 I3LACKOUT Oo August 3, 2008
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The side effects of a drug or action used to stretch the anus, meaning the anus is open and very loose.
Roy- "How was your weekend Paul?"

Paul- "Terrible, I fell on a pole and I got Bumhole Syndrome"
by o0 I3LACKOUT Oo August 3, 2008
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