Monty Python did the "cannibalism on a boat" idea much more humorously

I could not stop thinking about the sketch during the entire film.
--I would rather have a bottle in front of me than a frontal lobotomy.

A TV series broadcast some years ago called 'The Terror' loosely based on the Franklin Expedition had some graphic depictions of cannibalism. At one point they had a body stretched out on a table face down like a cake with pieces cut out of him. It was disgusting.