The art of getting fucky, when things get dark/eerie and words can not explain the level of greatness (possibly when you are indulging in funtivities that are illegal). Banastical can be used to describe the moment or time. This phrase can be used at any time of the day but you have to be positive, not positive you have to be HIV positive that it is a Banastical moment.
Banastical moments come around a lot on Wensdays when consuming large quantities of alcohol and playing drunk bowling with great friends in Pullman Washington. Banastical describe the level of greatness and excitement that everyone has when playing the game of drunk bowling. When this term is used you could possible be the best time of your life.
When your long-haired friend awakes from passing out on a table covered in beer and cigarette ashes, and they are reminded of the night's revelry every time their bangs brush past their nose.
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).