Apply cold compresses to your eye, which will help stop the bleeding and swelling. Also, try to keep your head as elevated as you can—this might involve sitting up or even sleeping with an extra pillow.
Start the evil eye contest. Don't move your gaze, this will be considered submission to their evil eye. If you have to blink, blink as quickly and as sparingly as...
Play around with different shades to get a realistic-looking bruise. When you're creating a black eye, you'll need a variety of colors. You'll want to use blue, black, and purple...