Doomsday Deuce
A poop that cannot wait; Having to take a shit so bad that if you don't get to a toilet within a few minutes, you wish you were wearing an adult diaper. Usually a mix of diarrhea with alot of gas.
Julie: What's the matter? You don't look well. We'll be at my parent's house in about 15 minutes.
Jim: (shifting nervously after turning the radio off) Jesus Christ, I have a doomsday deuce brewing, you have to find a bathroom now or else I'm gonna shit my pants!
Jim: (shifting nervously after turning the radio off) Jesus Christ, I have a doomsday deuce brewing, you have to find a bathroom now or else I'm gonna shit my pants!