Top Definition
Nuclear Diarrhea occurs when someone releases Explosive Diarrhea and an Explosive Fart at the same time. They both mix together creating a nuclear reaction that releases a monstrous smell that can cause people to collapse and possibly die.
Someone has released nuclear diarrhea in the toilet in a bathroom at Gillette Stadium causing the bathroom to be condemned for the next 10 years.
by FrodoBagginz February 10, 2010
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