It could be:
* A nickname or shortened version of a longer name: There might be names in specific cultures or languages that get shortened to "Tintu".
* A misspelling: Perhaps you meant a different word entirely, and "Tintu" is a typo.
* A specific term in a particular field: It might be jargon used in a specific industry or hobby.
To understand the meaning of "Tintu", you need more context. Please provide more information about where you encountered this word.
For example, could you tell me:
* The language or culture: Where did you see or hear this word?
* The context: What was the situation or conversation where this word was used?
* Any other clues: Are there any other words or phrases associated with "Tintu"?
With more information, I might be able to help you understand the meaning of "Tintu".