* A misspelling:
* "Fuddy-duddy" is a slang term for someone who is old-fashioned, conservative, and out of touch.
* "Fuddy" might be a shortened version of "fuddy-duddy."
* A slang term: It could be a regional or niche slang term. To understand its meaning, you'd need more context about where you heard it.
* A made-up word: It's possible it's a made-up word for a specific purpose, like a nickname or a joke.
Please provide more context about where you encountered "fuddi." For example:
* Did you see it written online?
* Did you hear someone say it?
* Was it in a specific context like a book or movie?
With more information, I can help you understand what "fuddi" means.