Define cosplay heart plainly. Cosplay is all about dressing up and pretending to be a particular character from a TV show. It has immensely popular among enthusiasts of nerd subculture internationally. Fans thoroughly design outfits and accessories to accurately portray their favorite characters. Cosplayers commonly attend gatherings or costume play events, where they can exhibit their creativity and network with others who share the same passion. Ultimately, cosplay is an form of appreciation and dedication for the fictional character and a love for the nerd community.