Logically, grotesque noir can be defined by a mashup of the traits that define grotesque and noir separately, so perhaps we can best define the combined term by investigating the individual components. What is noir fiction? Noir fiction is not so much a genre as it is an overlay to existing genres. Most people probably think of early black and white detective films as representative of noir, and while those films may represent some of the overlay's qualities, in truth film noir can generally be more accurately (more specifically) categorized as detective noir or mystery noir. So what exactly is this mysterious noir overlay? There are a few fantastic attempts at definition out there. A couple of the most important, I think, are: From Noir Fiction Is About Losers, Not Private Eyes by Otto Penzler: Noir is about losers. The characters in these existential, nihilistic tales are doomed. They may…