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Taking a poop before eating Taco Bell to try to prevent the diarrhea that usually ensues a Taco Bell meal. This bold strategy hopes to clear out the stomach and intestines of the customer to make way for the delicious yet dangerous food.
Friend #1: You going to order first?
Friend #2: No dude, I need to pre-bell.
Friend #1: Good idea, I pre-belled earlier.
by papadoc June 29, 2012