The phrase designates attire that allows individuals to embody the Green Lantern, a superhero character, specifically for the Halloween holiday. This type of costume typically includes a green and black suit featuring the Green Lantern Corps symbol, and often incorporates a power ring accessory.
Such outfits offer individuals the opportunity to express their admiration for the character and engage in the holiday’s tradition of dressing in imaginative or thematic apparel. The popularity of the character, stemming from comic books, animated series, and live-action films, contributes to the appeal of this costume choice. The attire allows for participation in festive events and trick-or-treating activities, contributing to the overall Halloween experience.