1. A disgusting parasite with a penis like a mosquitoes proboscis that it injects into female victims veins to reproduce, by laying a microscopic egg into the blood stream the egg follows the blood to the uterus being fertilized by the blood on the way. Once the egg is in the womb it grows into a full sized baby Cato which then roams the world looking for more victims to impregnate.
2. A horrible insult to call a person.
"Your such a Catonator"