Top Definition
The sudden need to pass a bowel movement right after eating a meal.
Steve - "The doormen of my guts hold a one in, one out policy"
Jane - "Why are you calling me to say this?"
Steve - "Could you ask the waiter to bring more paper to the lavatory, they're all out."
by IanContinentia October 19, 2009
8 Words related to One in, one out policy

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