Cow dung
In Ezekiel 4:15, this signifies that the prophet was to represent the corruption of the literal sense of the Word. (The Inner Meaning of the Prophets and Psalms 127)
Isaiah 37:24
24
By your servants, have you defied the Lord, and have said, "With the multitude of my chariots I have come up to the height of the mountains, to the innermost parts of Lebanon. I will cut down its tall cedars and its choice fir trees. I will enter into its farthest height, the forest of its fruitful field.
