User blog comment:Meighan/Wiki Wisdom: Reacting to Trolls and Vandalism/@comment-3492853-20111111221027/@comment-961279-20111114040816

A sockpuppet is when a person creates a new account to get around being blocked. Some will try to pretend to be a different person to keep admins from figuring out they're back, but many aren't that good at it and they're easy to figure out.