"money talks, bull**** walks"

hello, I would be really glad if you could help me about the meaning of this proverb which I don't understand at all . I've heard it was an anti proverb or meta-proverb derived from "money talks nobody walks", but I can't find what it really means : power of money, speech vs action....?

thanks!

I am from the U.S. and I've never really understood that phrase either. Money talks. Money = power. Bullsh*t is just talk. It's meaningless, hot air. That's all I know.