Definition: The slang term 'Erythrodermis' is akin to a gory, bleeding exclamation of a person's skin that seems to be spreading out like a rancid meat pie with blood dripping from every pore.
Example: "I found this on the ground; it was like an Erythrodermis, only it wasn't bleeding and it had the stink of rotten onions mixed in." Eh, that sounds gross.