They — My friends. Gaped — Opened their mouths wide against me. In all this Job was a type of Christ. These very expressions are used in the predictions of his sufferings, Psalms 22:13. They gaped upon me with their mouths, and Micah 5:1. They shall smite the judge of Israel upon the check.
Related Commentaries of Job 16:10
Job 16:10
10 They have gaped upon me with their mouth; they have smitten me upon the cheek reproachfully; they have gathered themselves together against me.