* A slang term: It could be a slang term specific to a region or group of people. More information about where you heard it would be helpful.
* A misspelling: It might be a misspelling of another word, such as "busy."
* A made-up word: It could be a creative invention or a personal nickname.
To help me understand what "beesy" means, please provide more context:
* Where did you hear or read this word?
* What was the situation or topic?
* Who used the word?
With more information, I might be able to figure out the meaning of "beesy."