Defined as an occurance when excessive pressure is built up in the colon causing a rectal explosion of fecal matter and intestinal juices. Then outside participants join in pounding said exploded ass with all manner of blunt objects including pants anacondas, broom sticks, and cacti.
Outside of the taco bell my diarrhea caused an ass bonanza as hundreds of mexicans pounded me senseless following the gaseous explosion of my rectus.
by Lord Commodore January 25, 2005

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