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A test of digestive efficiency performed by consumption of corn and monitoring of bowel movements.
Person1: "Since I switched to a vegitarian diet my body has become a well oiled food digesting machine. I seriously have been shitting less than hour after every meal."

Person2: "That sounds too fast, have you gotten cornfirmation on that yet?"

Person1: "Not exactly. Why?"

Person2: "That sounds more like IBS to me than a 'well oiled' machine."
by aberstundon February 09, 2011
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