'Excrement' in the Bible

At that time the sovereign master will wash the excrement from Zion's women, he will rinse the bloodstains from Jerusalem's midst, as he comes to judge and to bring devastation.

But the Rabshakeh replied, “Has my master sent me to speak these words to your master and to you, and not to the men who are sitting on the wall, who are destined with you to eat their own excrement and drink their own urine?”