* It's a misspelling: There are many words that sound similar to "knochi" but have different meanings.
* It's a regional dialect word: Some words are specific to certain regions or communities.
* It's a made-up word: Sometimes people create new words for specific contexts.
To help me understand what you're looking for, please provide more context!
For example:
* Where did you hear this word?
* What was the conversation about?
* What language were you speaking?
With more information, I might be able to figure out what "knochi" means.