What does the slang words sound off goose mean?

The phrase "sound off goose" is not a recognized slang term. It's possible it's a misheard or misspelled phrase, or perhaps a local or regional slang term.

To help me understand what you're looking for, could you provide more context?

* Where did you hear this phrase? (Online forum, TV show, in person, etc.)

* What was the situation? (Was it a joke, a serious conversation, etc.?)

* What was the general meaning of the conversation?

With more information, I can try to understand the intended meaning of the phrase.