Elucidate cosplay plainly. Costume play refers to dressing up and pretending to be a specific character from a TV show. It has a massive trend amongst fans of nerd culture around the world. People diligently design costumes and accessories to accurately portray their favorite characters. Costume players commonly participate in conventions or costume play events, where they can display their artistry and network with others who share the same passion. Ultimately, costume play is an expression of admiration and commitment for a fictional character and a love for the geek community.