"Do it Christmaslowly" HURRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR no. "Take it Christmeasy" is fine.
^ That's not a translation of the original, though. They're not saying "Merry Christmas" with "yukkuri" thrown in, they're saying "Take it easy" with "Christmas" thrown in.