A term to describe something hugely exciting. It also describe an expression of surprise such as holy shit! Even if it's a thought that's outside the box, it's crazy enough to go inside of it.
For example:
"Dude I just had an amazing chocolate fudge sunday it was craziness in a box!!!!
The bizzarre mood your dog is in immediately following you giving it a bath. Typical behavior includes running, jumping, barking, and generally acting crazy.
We just gave Tilly a bath, now she's jumping around, acting like a lunatic. She has the bath crazies.
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).