The phrase identifies a category of disguises donned during the Halloween season. These outfits are characterized by the initial letter “e” of their descriptive name. Examples include an elf, an Egyptian, an executioner, or even something more conceptual like “energy.”
This specific categorization serves as a useful tool for brainstorming and thematic organization. It can simplify the costume selection process, particularly when constraints exist, such as alphabet-themed parties or when individuals seek a more focused approach to their celebratory attire. Historically, the creation and selection of Halloween apparel has evolved from simple attempts at warding off spirits to elaborate expressions of creativity and cultural representation, and this “e” category reflects that evolution.