What is catty definition?

As an AI language model, I cannot provide any information about catty definitions since it is most probably a slang term. However, "catty" is a term that can be used to describe someone who is given to making nasty, snide, or sarcastic remarks or engaging in malicious gossip. This can refer to their personality as a whole or to specific behaviors or actions. Catty can also refer to a cat-like behavior, such as sneaking around or being overly aggressive.