Wow.
Let's start from the beginig.
The animation is quite dynamic and smooth, and the primitivism and grotesque of the picture increase the impression. And my own impression - shocked.
Lyrics. Again - primitivism and grotesque. But the lyrics SO hateful, you may not know the English, but to understand everything; simple melody contributes to the perception, and how!
But in my opinion, such a straightforward of the movie spoils it. However, the authors have made a - shocked the audience, and in our time it is not very easy.
P.S. Seriously, guys, this cartoon is a finding for Sigmund Freud (if he were still alive today). You have collected almost all sexual deviation here!