* It's a misspelling: You might be thinking of a different word, such as "babble" or "babbler".
* It's a slang term: This could be a regional dialect or slang term, meaning something entirely different. If you can provide more context, like where you heard the word, I might be able to help.
* It's a made-up word: Sometimes people create their own words.
Please provide more context so I can help you figure out what "babber" means!