In internet subcultures, combining high-velocity, violent, or taboo words (like "Roadkill" and "Incest") with technical terms ("3D") is a common tactic to create a "cursed" brand.
3D Roadkill Incest is a specific visual style and underground creative collective that emerged from the digital art and "weirdcore" subcultures of the internet. What is it? It is not a literal description of its name, but rather a boundary-pushing aesthetic often associated with: Surrealism: -where 3d Roadkill Incest-