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A disgusting assplosion of fecal matter (all forms) occuring whilst still wearing pants. 97% of the time the "Blowout" comes without warning; the proverbial brown-tsunami has been known to hit no matter the situation.
Only three people have died from Blowouts in the past 37 years.
intercom at retirement home: "Would Oscar please report to ward 6 with a bucket of bleach and a tire iron, Beatrice had another BM Blowout."
by the_guy January 16, 2005
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