The moment you give your dog a new toy is an exciting one for you and your pup. But for dogs who take less than five minutes to completely rip apart that new toy, the excitement isn’t long-lived.

Now, the stuffed animal is the hottest dog toy in America — with some four-legged collectors even hoarding hundreds of the affordable $6.99 plushie. Manhattanite Mango loves his Lamb Chops ...