What is A Bag Of Cats?
The noise two women make when they argue/engrossed in an enthusiast conversation.
Shut up the pair of you, you're like a bag of cats
A bag of 2 or more cats, which is very noisy due to the cats fighting to escape the bag.
"Hey, what the hell is that noisy thing moving around on the ground?" Person A
"Oh that? It's just a bag of cats" Person B
"Huh... that's a little odd don't you think?" Person A
"... yeah... I guess a little..." Person B