"Gigapos" is likely a made-up word or a specific term within a particular context.
If you could provide more context about where you encountered this word, I might be able to provide a more relevant answer.
For example:
* Is it part of a story or a game?
* Is it a technical term?
* Is it a slang word?
Knowing the context will help me understand what the word might mean and offer a suitable translation.