This is obviously nonsense.  I did read all applicable policies, and as this (http://en.wikipedia.org/wiki/Talk:Autofellatio) discussion clearly states similar images have been removed in the past.  Someone jacking off is hardly 'relevant to the article' any more than someone sucking their own dick was in this article: 

 http://en.wikipedia.org/wiki/Autofellacio 

 Are you running an encyclopedia or a porn ring?  Why don't you have movies and images for female ejaculation, bukkake films or any other pornographic subjects?  They would be no less offensive than this image.