How to remove your Meetup account
Be logged in. Then follow the direct link below, enter your password and your set.
Direct removal link: http://www.meetup.com/account/remove/
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Meetup using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Meetup. Click here to find out how.