Is There a Psychology of Cosplay itstartswithadamDefine costume play in layman's terms. Cosplay is all about dressing up and pretending to be a particular character from an anime. It has become a massive trend among enthusiasts of nerd subculture internationally. People diligently design costumes and accessories in order to faithfully represent their favorite characters. Cosplayers usually participate in gatherings or cosplay events, where they can exhibit their artistry and connect with like-minded individuals who share the same passion. Ultimately, cosplay is an manifestation of appreciation and commitment for a fictional character and a love for the geek community.