Continue to hold your penis in her throat, thus choking her to death.
From Create Your Own Story
The pulsating of this young woman's throat feels far too good to allow her something as simple as oxygen. As she struggles for breath and beats your legs, you orgasm and send stream after stream of cum down her throat. Her punches become less and less hurtful as you leave your deflating dick in her mouth. Eventually, she stops all together and her eyes roll up into her head. She slides off your dick and falls to the floor dead. You notice cum and bile on your dick, so you wipe it off on her clothes disgustedly.
