"God had to be scraping the absolute bottom of the barrel, and she had completely run out of messiahs, so she says I've got a good idea, let's go find a complete jackass and put it off on him."
Offensive in more than one respect, but my main point here is that this was no slip of the tongue. It's disguised as a slip of the tongue, but it's a "tell" — an admission of the true god that these people worship: The Goddess.
https://youtu.be/S-DvF7KOeGQ