its a negative side of search engine optimization process...by reverse seo...all the web page of your site will be push down on search engine results...if site content any negative content....or any site contain any negative results on search engine
Reverse Search Engine Optimization (SEO) is the process by which a web page is pushed down, or suppressed, in search engine results. In online reputation management, Reverse SEO is used to bury negative results on Google Search.