If your Birthday is on Christmas day and you're not Jesus, you should start telling people your birthday is on June 9 or something. Just read up on the traits of a Gemini. Suddenly you're a multitasker who loves the color yellow. Because not only do you get stuck with them combo gift, you get the combo song. "We wish you a merry Christmas - and happy birthday, Terry - we wish you a merry Christmas - happy birthday, Terry - we wish you a merry Christmas and a happy New Ye - Birthday, Terry!