How do You Say Merry Christmas in Sign Language?

In order to Merry Christmas in sign language you have to learn the sign for Christmas. The sign look similar to making a wreath It starts with your left hand making the sign of a C palm facing almost outward. Then rotate your hand like you are running your hand along the edge of a wreath. You end the sign in the c position again and the back of your right hand under your elbow. For Merry Christmas you would sign M and then C. Look here for more information: