Toilet paper that has become stuck between your ass after wiping and, over time, broken down and rolled up into little rice like particles that can be picked out and eaten.
Male 1: We got lost on our camping trip, and at one point we had to survive off of our own paper rice!
Male 2: Damn, at least you got to ration something that tasted good...
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).