Blocking Tumblr Followers is not an option that immediately gets noticed in the dashboard menu, actually it doesn’t even appear. However,the option is indeed accesible through this Tumblr Block url. You can either enter a Tumblelog url or a username that you desire to block and that is it.
You may also need to know how do you see your followers on Tumblr.
How To Block Users on Tumblr
- Go to http://www.tumblr.com/block
- Enter the username (blog name) you want to block, press enter, thats it