WALKING DOG = 遛狗 [liù gǒu]
One hot dog is taking another hot dog for a walk! The round sunglasses, little legs and pink leash turn a familiar outing into a food joke. 遛狗 (liù gǒu) means to walk a dog: 遛 (liù) is taking an animal out for a walk, and 狗 (gǒu) means dog.