A dung-hill was a refuse heap. Sitting on one was a picture of extreme humiliation, poverty, or grief, from which God could raise up the afflicted.
Definition
A dung-hill was a heap of refuse or manure. Sitting on one represented extreme humiliation, poverty, grief, or dejection.
Biblical Usage
The image of being raised from a dung-hill expresses God’s power to lift the poor and afflicted from a state of deep lowliness.
Historical Bible Dictionaries
Easton's Bible Dictionary
To sit on a, was a sign of the deepest dejection (1 Sam. 2:8; Ps. 113:7; Lam. 4:5).