When someone is on there way to the restroom to defecate, they are said to be on the "number two truck."
Person A: Where did Johnny go?
Person B: Don't worry, he's on the number two truck. He'll be back in a few.
Person B: Don't worry, he's on the number two truck. He'll be back in a few.
by Maggie L. January 14, 2008
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