Used cigg butts can kill cats and dogs, if she swallowed that she would most likely get nicotine poisoning. She most likely has Pica and has a fetishes for eating paper. You should consider yourself lucky she didn't start seizing. Get yourself a catio and stop letting her outside.

try getting the gum?

Cats are not children they are animals that depend on humans to keep them safe. Letting her outside with no leash or enclosure is not safe. Nicotine is deadly to cats not to mention FIV or cars A human child can be taught not to play in traffic or lay in the warm street, a human child can be taught not to kill the neighbours pond fish or not shit in the neighbours garden. A cat however can not be reasoned with and needs a humans protection. That's why you are the owner If you let a cat outside without a leash or in a proper outdoor enclosure You are failing your cat on so many levels. You are failing your neighbours you are failing Mother Nature and adding to a growing problem!