Custory - a custody story.
Curstory - a custory story full of curses or a story about mongrel dogs.
"She spun out a pretty ridiculous custory for the judge who bought not a word of it and granted full custody to the dad."
"His cause was lost when he raged into a curstory in the middle of the hearing, judges tend to side with the side NOT shouting FUCK YOU at them, weird, I know."