* A misspelling: It's possible that you meant to write a different word, like "Kariba" or "Karibang." Please double-check your spelling.
* A regional term: It might be a word used in a specific region or community, but not widely known. Can you provide more context about where you encountered this word?
* A made-up word: It's possible that "Karibanga" is a made-up word, possibly for a fictional character, place, or object.
Please provide more information so I can help you understand the meaning of "Karibanga."