* It's a misspelling. You might be thinking of a similar-sounding word.
* It's a regional term. It could be a slang word or a term used in a specific community or region.
* It's a made-up word.
To help me understand what you're looking for, could you please provide more context?
For example:
* Where did you encounter this word? (In a book, a conversation, online?)
* What was the context of the word? (What was being discussed?)
* Do you have any other details about the word? (Is it pronounced a certain way? Is it related to a specific subject?)
With more information, I might be able to help you find the meaning and origin of "gabbang."