Bless an idol
In Isaiah 66:3, this signifies worshipping God from things that represent spiritual good but in reality love evil and falsity. (Apocalypse Explained 340[16])
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)