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1.
A bout of diarrhea that, when released in a public bathroom, is so particularly smelly and loud that passers-by may mistake it for a terrorist attack.
Person A: Dude, who are those federal agent looking guys wearing sunglasses down in the lobby? I just saw them put Ken in the back of one of their vehicles.

Person B: You won’t believe it – Ken had a bad case of al-qaedarrhea in the first floor bathroom. Some poor soul using the stall next to him freaked when he heard and smelt it, and called the Dept. of Homeland Security.
by B. Ballard November 20, 2008