One who doesn't give you invites, leaves you out of things and is just generally a bad bloke. Should be constantly reminded of their poorly considered actions.
Dog Mate: 'Saturday night was great!'
You: 'Oh don't remember being invited to that, must've been lost in the mail'
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).