1 definition by The Bergmann

Top Definition
The sudden urge to have a bowel movement, causing the immediate cancellation of previously scheduled daily plans.
"Professor Smith I just want to appologize for missing last class. Ya' see I was sitting in the class before this one and could just feel a shit-astrophe brewing. Needless to say, I had to run back to my dorm. I'm sure you'll understand."
by The Bergmann March 02, 2010

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