It's possible that it's a misspelling or a variation of:
* "Bonjour": This simply means "Good morning" or "Hello" in French.
* "Bon jour": This is a more informal way of saying "Good day" in French.
* "Bonjour à vous": This means "Good morning to you" or "Hello to you."
If you can provide more context about where you encountered this phrase, I might be able to help you better understand its meaning.