daddy  daddy    i  wanna     banana         take        my       daughter      take   it  in  ur  mouth   daddy  daddy  its  hot         dadyy    take  it     deep    thorght      ​

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.