What does the duffise mean?

"Duffise" is not a recognized word in the English language. It's possible that it's a misspelling or a word from a specific dialect or technical field.

Could you please provide more context or information about where you encountered this word? Knowing the source would help me understand what it might mean.

For example:

* Did you see it in a book, article, or website?

* Was it spoken aloud?

* What was the topic of the conversation or text?

With more information, I might be able to decipher the meaning of "duffise" for you.