1. To change one's facial expression, especially to hide a negative feeling or reaction. Hearing the news filled me with shock and despair, so I took a moment to rearrange my face before returning to the table.

2. To badly damage or mutilate one's face by violently attacking it. He threatened to rearrange my face if I didn't give him everything in my pockets. He's a towering bulk of man who could rearrange your face with a single punch.