Sounds like something that needs to be seen at a vet STAT! It could be a number of things and none of them are a quick easy "put a band-aid" on fix

call you vet...

Is this a trick question?

It sounds to me like your puppy has an Anal Prolapse and you NEED TO CALL YOUR VET TODAY....The following is one of the best and most simple explanations of this condition I know of.. http://www.petmd.com/dog/conditions/digestive/c_multi_rectal_prolapse Symptoms and Types Rectal prolapse occurs when all layers of the anal/rectal tissue, along with the rectal lining, protrude through the external anal opening. The protrusion of the rectal lining through the external anal opening, meanwhile, is solely referred to as anal prolapse. Dogs with rectal prolapse will demonstrate persistent straining while passing stool (or defecating). In an incomplete prolapse, a small portion of the lining of the rectum will be visible during excretion, after which it will subside. In a complete prolapse, there will be a persistent mass of tissue protruding from the anus. In the chronic stages of complete prolapse, this tissue might be black or blue in appearance. Treatment If your dog has a concurrent bacterial or viral infection, or a parasitic infestation, your veterinarian will need to treat it first with an appropriate antibiotic or anti-parasitic drug. Once the underlying cause of the prolapse has been identified and treated, your veterinarian will first need to decrease the swelling and return the displaced tissue to its proper location inside the dog's anus. This may be done manually by performing a gentle massage on the area, or by using lubricating gels or topical agents (e.g., a 50 percent dextrose solution), which aids in the reduction of the swelling. An anesthetic agent may be administered to relieve pain and discomfort. The anesthetic most commonly used is an epidural; however, your veterinarian will make his decision based upon your dog's individual needs. Next, your veterinarian may choose to stitch the protruding tissue in its proper location to keep the tissue in place and to prevent a recurrence of a prolapse. Purse string sutures are the likeliest choice for this procedure, and the stitches will be left loose enough to allow room for excretion. If the disorder is found to be deeper in the dog's rectal canal, the intestine may require surgical repairing. I strongly suggest that you NOT wait around, your pup needs a qualified Vet to look it over and confirm so that you can have your puppy properly cared for in a timely manner...