A political argument that takes place on the Internet. These types of debates usually take place on social media sites around election times. Keyboard Debates typically start on a politically opinionated posts, status, pictures, and videos in the comment section.
Sam: How was your weekend?
Joe: Not so good. I got into a bunch of keyboard debates about Obama and Romney on Facebook.
Sam: You need to stay off Facebook or don't say anything about politics during elections.