It's possible you might be thinking of a similar-sounding word, or it might be a slang term specific to a particular region or social group. Could you provide more context?
For example:
* Where did you hear this word? (e.g., in a song, movie, conversation)
* What was the context? (e.g., what were they talking about?)
With more information, I might be able to help you figure out the meaning of "pooky."