MEREDITH: [petting the dog] "Such a good dog! Who's Mommy's good boy?" [looks at Izzie and George] "C'mon, what are you doing? We're gonna be late."
GEORGE: "Um, we need to talk about the dog."
IZZIE: "That's not a dog, this is a hyena that escaped from the zoo and dressed up in a dog's clothing."
GEORGE: "Whatever. I don't chew up his clothes. I don't urinate on his bed. I don't try to mount him from behind."
IZZIE: "Mount you from behind?"
GEORGE: "He tried to."