Planning a dog party? Then this fun guide is just what you need. Help with choosing doggie birthday cakes & party games to make your get together a howling success!. How to Throw a Dog Party. If you feel that your pup is special enough for a party, throw a dog party. Your dog party could have any event a dog can enjoy and love . You can even consider a biscuit cake! Whether it is your puppy's birthday. If you're feeling down, planning the ultimate dog's birthday party is a surefire mood booster. In fact, just looking at photos of dogs celebrating their birthday will immediately subtract 20 points off your rage-o-meter. We've found everything from pup cakes and decorations to special fancy duds that help your dog enjoy their.