Here's a breakdown:
* volo: I want/wish
* Sic jubeo: I command thus/so
* Luther: The name Luther (presumably referring to Martin Luther)
* usitatem: A word that doesn't exist in standard Latin
Possible Interpretations:
It's impossible to give a definitive translation without more context. It might be:
* A nonsensical phrase: Someone trying to sound scholarly but using made-up Latin.
* A misquotation or misspelling: Perhaps a corrupted version of an actual Latin phrase.
* A code: It could be a coded message with a specific meaning.
To Get a Translation:
You need to provide more information:
* The source: Where did you find this phrase?
* The context: What was it about?
* What are you trying to achieve: What do you hope to understand by translating this phrase?
With more context, I can help you figure out the meaning.