Recently I started getting hundreds of spam comments to a specific post and for a couple days I kept deleting it assuming it was a one time flood but those spam comments kept coming in hundreds everyday. I did not want to delete the post since it had a decent views so decided to look for ways to disable comments in only that specific post. The solution came pretty quickly and was already built-in the WordPress. All I had to do was to go to the posts and then click Quick Edit link which opened an inline edit box and there it was; the option to disable comments. Check for highlighted section below for the same
