The grotesque as social critique
Southern Gothic's grotesque — the deformed body, the distorted psychology, the decayed house, the violent eruption — is not Gothic atmosphere but social analysis: the externalization of the moral and historical distortions that the South's specific history has produced. Writing functional Southern Gothic grotesque means connecting every distortion to the social world that produced it. Flannery O'Connor's freaks are spiritually freakish because of the spiritual failures of the society they inhabit; Faulkner's decayed families are physically and morally decayed because the myth of the Old South they sustain is itself a moral decay. The question to ask of every grotesque element: what does this reveal about the social world that created it?