1 definition by IanContinentia

One in, one out policy

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