Be logged in (through a Dapper account, not a 3rd party such as Yahoo or otherwise). Use the deletion link. Scroll down and you’ll see the deletion part. If you use a 3rd party to log in, see below for instructions.
URLS:
http://open.dapper.net/
http://open.dapper.net/account-settings.php
Please note that AccountKiller.com is not associated with the business listed on this page. AccountKiller provides easy-to-understand instructions and guides on how to cancel charges and relationships from the list of businesses on our site, we have no affiliation with these businesses.