Définitions cosplay Dictionnaire de français LarousseElucidate cosplay heart in layman's terms. Cosplay is all about dressing up and pretending to be a particular character from a video game. This trend has a huge sensation among enthusiasts of nerd culture globally. People thoroughly design costumes and accessories to accurately portray their favorite characters. Costume players often participate in conventions or costume play events, where they can display their artistry and meet like-minded individuals who share the same passion. In the end, costume play is an form of appreciation and commitment for the fictional character and a love for the nerd community.