overhook noun 1verb 1forms 3 noun1 •A clinch hold performed by putting an arm over the opponent's arm, and encircling the opponent's arm or upper body.He used overhooks to block the punches, but he didn't seem to know any submissions off the overhooks. — 2005 verb1 •To use such a hold upon.Overhook one of his arms just above the elbow (here the right arm overhooks the opponent's left arm). — 2004 formsoverhooked · overhooking · overhooks