What is sopopper mean it a real word?

"Sopopper" is not a recognized word in standard English. It's likely a misspelling or a made-up word.

Could you provide more context or information about where you encountered this word? This will help me understand what you're looking for.

For example:

* Did you see it in a text, book, or online?

* What was the surrounding text?

* What did you think it might mean?

Once I have more information, I can try to figure out what the intended word might be or if it's a unique term used in a specific context.