An excuse for doing something rashly. Usually used in a very childish manner and for actions that aren't really that big of a deal. Often used with the shocker hand signal.
See YOLO.
Sarah: OMG, I can't believe we just did that thing we just did! #noregrets
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.