Cosmo never makes it quite clear what the metaphor of ‘great dane’ refers to. We know that he’s referring to a girl and can make some assumptions about the title’s meaning. The great dane breed of dog is an enormous, beautiful, powerful and dependable animal and he could well mean that this girl also possesses these qualities. Additionally, the size of the dog could possibly mean that the girl is no grand in stature, but instead he is made to feel small because of her magnificent presence.