Merry-Happy Birthsmas Posted in M Best definition Merry-Happy Birthsmas Something you would say to someone with the unfortunate disposition of sharing a birthday with Jesus Christ. Merry-Happy Birthsmas, Sorry you had to be born on a holiday… How satisfied are you with the definition? Looking for Merry-Happy Birthsmas meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 13 times.