The phrase "poop eaters" is a rude way of referring to people who do unpleasant or disgusting things. It is used to criticize or insult someone's behavior or actions. Full definition
Though the occasional poop eater is more likely to indulge when hungry. (thehappypuppysite.com)
I have 2 chocolate labs they are brothers 8 years old and are both dedicated poop eaters ive tried all the above things to no avail we just pick it up every time but still miss the odd one now and then, they both know its bad and sometimes they know one has been missed but they give them selves away, they stand still hoping I haven't spotted it and if i'm far enough away they get it and run off, I also have a great dane and he thinks they are disgusting.... (thehappypuppysite.com)
In many, many years of living with many, many dogs of all shapes, sizes, ages and breeds, I have had only 4 dedicated poop eaters 1 was a GSD bitch who had been left behind when her owners moved house and may well have started in a desperate attempt to find nourishment. (thehappypuppysite.com)