* It's a misspelling. There might be a similar-sounding word you're thinking of. Can you provide more context or what language you think it might be from?
* It's a slang term or dialectal word. If you heard it used in a specific region or community, that might help narrow it down.
* It's a fictional word. Maybe it's from a book, movie, or game.
Please provide more information so I can help you figure out what "guskeyga" means!