I thought about slapping someone for calling my catgirl collection funny.
Why would this sort of thing make you slap them?
I thought it was silly for them to refer to it as furry.
Even though it may have offended or upset you, there was no reason to put your hands on another person. It's wrong to hit others and you should be apologizing for this outburst in hopes that they won't look down on you.
It's fine, I apologized for slapping them.
I am glad you regret hitting them for their remarks. You probably just felt heated in the moment. Try to see other's opinions as less criticizing and more as humor, it will help you worry less about the minor things.