Slogism

Slogism is a style of Cybertronian art depicting the horrors of war by displaying the mangled and decaying remains of former combatants.

Dreamwave MTMTE Guide

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.

From Teletraan I: The Transformers Wiki, a Wikia wiki.