If you would like to delete your personal account, click on your Name > My Settings > Profile.
Scroll down until you see the "Delete account" button. Click on the button and select a reason.
Enter your current password and confirm your decision by clicking on the red "Delete account" button.
You will be automatically logged out of your account and all your data stored in our system, including any referrals under "Pending" (see more here), will be irrevocably deleted.