Slogism is a style of Cybertronian art depicting the horrors of war by displaying the mangled and decaying remains of former combatants.
Dreamwave Generation One comics
The term was first coined to describe the work of the Decepticon Slog in an underground art show held on Cybertron. Images of the show were later co-opted by the Autobots for use in anti-Decepticon propaganda. For this reason, Slogism is unpopular with the Decepticon leadership... because Megatron cares about what people think of him.