Refers to someone who is being particularly surly, moody, sour or otherwise unpleasant, a.k.a., a bitch... someone you might approach in the same way as a bag of fighting cats.
A legendary feline Jedi Master who was a noblecat gifted in the ways of the Force whose existence was unfortunately left on the proverbial cutting room floor.
Obi-Wan Catobi, had he not been removed from the widely popular and influential Star Wars adventures, could have been a highly positive role model to young cats across the Universe!