While the string appears to be a coded anagram or a jumbled phrase, its most likely resolution (given the phonetic structure and common holiday themes) is a variation of Since “xartadriarae” has no direct meaning, this essay treats it as a metaphor for the unknown, the deeply personal, or the impossible wish —the thing we cannot name but desperately want.
Here is a summary of that release:
"Xartadriaraealliwantforchristmas: The Mysterious New Sensation Taking Over Holiday Playlists Everywhere" xartadriaraealliwantforchristmas new