bits up
broken code; a word used to describe a coding error that brings your script or application to a halt;
I forgot a semicolon in my PHP code and the page went bits up
bit up
A person, place, or thing, that is run down, worn out, or not up to the standards of the person uttering the phrase.
Man, that car is bit up, it looks like it was in a drive-by from all the rust holes in the door.