When one has the sudden urge to go number 2 while riding in the back of a taxi. A "Cabfudge" takes place when a person can no longer control this urge and lets go in the back of a taxi, hence the word "Cabfudge."
I had so much food last night that in the taxi I took a huge Cabfudge right in the back seat
by yo momma n uranus December 7, 2006
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