* A misspelling of a real word: Could you double-check the spelling?
* A slang term: Perhaps it's a regional slang word or a term used within a specific community or group.
* A fictional name or term: It might be from a book, movie, or game.
To help me understand what you mean, please provide more context:
* Where did you encounter the word? (e.g., a book, a website, a conversation)
* What was the context of the word's use? (e.g., a description, a dialogue)
With more information, I can try to figure out what "Joosama" might mean.