Define cosplay in layman's terms. Costume play involves dressing up and pretending to be a particular character from a manga. This trend has become immensely popular among enthusiasts of nerd culture around the world. Fans carefully create costumes and props in order to faithfully represent their favorite characters. Cosplayers often participate in conventions or cosplay events, where they can display their artistry and connect with others who share the same passion. Ultimately, costume play is an expression of appreciation and dedication for a fictional character and a love for the geek community.