GOAT is an acronym of Greatest Of All Time. Once you know that it would be presumptious to use "Goat" at all.
Whatever - make it short and no more than two words. That way you don't get a smaller typeface than necessary on the posters/ads and look less important.
Make it pronounceable in English (assuming you want to address that market).
After that you have all the conotations to avoid, or not avoid as the case may be.
Oh and TBC and TBA are not clever marketing, long term.