Today, I was walking my dog. A cute guy stopped me and said, "Wow, you are gorgeous!" I said thanks. He looked at me like I was nuts and said, "Not you, your dog." FML
Or she could have meant he was just complementing her on the dog and not her, he could have felt that she was being a bit conceded thinking he was talking about her
Someone who's been desperately trying to use that juvenile pun on girls for ages ("You're pretty... Haha, I was talking to the DOG!" must be one of the oldest jokes to pull on strangers).