* It's a misspelling. There might be a similar-sounding word you're thinking of. Could you provide more context or the original source where you saw it?
* It's a slang term or regional dialect word. If you heard it in a specific place or group, it might have a localized meaning.
* It's a made-up word. Some people create their own words for fun or specific purposes.
Please provide more information so I can help you understand what "gogisgi" might mean!