The phrase identifies a popular theme for celebratory attire during the autumnal holiday. It encompasses a range of outfits inspired by the characters and settings of Lewis Carroll’s novel, typically worn for costume parties and trick-or-treating.
Its prevalence stems from the story’s enduring appeal, offering opportunities for creative and whimsical interpretations. The narrative’s familiar characters and iconic imagery allow for easily recognizable and adaptable ensembles. Its presence is notable within the broader context of popular culture-themed dress.