They are inclosed in their own fat: with their mouth they speak proudly.
They are enclosed in their own fat - literally, 'their fat they have closed up;' they have wholly covered themselves with fat - i:e., with spiritual callousness. Compare Judges 3:22; metaphorically of spiritual obesity and proud revolt against God, the result of external posperity (Deuteronomy 32:15; Job 15:27; Psalms 73:7; Psalms 119:70).