I'm not really sure. Maybe it's a reference to a specific scene or action in a Christmas story where someone has their arms down. But without more context, it's hard to say for sure.
I think it could potentially refer to a character in a Christmas tale having their arms lowered for some reason. Or it might be a symbolic phrase related to a particular event or emotion in the story. Without further clarification, it's kind of a mystery!
Honestly, 'A Christmas Story Arms Down' is a bit puzzling. It could be related to a gesture made by a character, or it might be a coded way of referring to something else entirely within the context of the Christmas story. Without more details, it's tough to give a definite answer.