What does basha mean in polish?

"Basha" is not a word in Polish. It's possible you're thinking of a similar-sounding word, or it might be a word from another language.

Could you please provide more context or clarify what you are looking for? For example:

* Where did you encounter this word? (e.g., a book, a song, a conversation)

* What is the general topic or context?

* Do you have any other information about the word?

With more information, I can help you find the correct word or meaning.