While opinions on the most hated Christmas song can vary, one popular choice among many would be "Christmas Shoes" by NewSong. This heartfelt ballad tells the story of a young boy who wants to buy shoes for his dying mother. The emotional lyrics and the idea of buying shoes for a dying mother have been the subject of criticism and satire, leading to it being considered one of the most disliked Christmas songs. However, it's important to remember that music is subjective, and different people have different tastes and preferences.