Why does orange cat spank black cat?

in general, cats may engage in playful or aggressive behavior towards each other, and this behavior can vary based on a number of factors such as their age, gender, temperament, and familiarity with each other. It's possible that the orange cat is simply engaging in play behavior with the black cat, or that there may be some underlying territorial or dominance issues at play. Without more information, it's difficult to say for sure why the orange cat is "spanking" the black cat.