Define cosplay heart in layman's terms. Cosplay involves dressing up and pretending to be a specific character from an anime. This trend has become immensely popular amongst enthusiasts of geek subculture globally. People thoroughly design outfits and accessories that accurately reflect their favorite characters. Cosplayers usually attend gatherings or cosplay events, where they can display their artistry and connect with like-minded individuals who share the same passion. Ultimately, costume play is an form of appreciation and dedication for a fictional character and the love for the nerd community.