When you spend the day shitting on the edge of the boat because you drank too much beer the night before.
fish'n shits
Jared: Wow!!! that's my 10th keeper bass today. Tim, how many have you caught?
Tim: I caught me a bad case of fish'n shits. I can't even get to my pole. Hey!! hand me a cigarette!
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).