Isaiah 9:20

And he shall snatch on the right hand, and be hungry; and he shall eat on the left hand, and they shall not be satisfied: they shall eat every man the flesh of his own arm:

And he shall snatch on the right hand, and be hungry - not literally. The Hebrew for snatch ( gaazar (H1504)) means to cut. So, to snap at with the teeth (DeDieu). Kimchi supports the English version. The parallel, "he shall eat," supports 'snap at' with the teeth. Image from unappeasable hunger, to picture internal factions, reckless of the most tender ties (Isaiah 9:19), and insatiably spreading misery and death on every side (Jeremiah 19:9).

Eat - not literally, but destroy (Psalms 27:2; Job 19:22, "ye are not satisfied with my flesh.") Eat - not literally, but destroy (Psalms 27:2; Job 19:22, "ye are not satisfied with my flesh.")

They shall eat every man the flesh of his own arm - these nearest akin: "arm" means their former support (helper) (Isaiah 33:2) (Maurer).