The song "Hardcore" by Kappa-O is all about staying true to yourself and living life on your own terms. The lyrics talk about the rapper's aggressive flow and their refusal to conform to the norms of society. They dismiss copycats and embrace their originality, focusing on creating hardcore music that reflects their personality and attitude. The song also touches on themes of rebellion and defiance, as the rapper expresses a desire to break free from the constraints of conventional living. Overall, "Hardcore" is a declaration of independence and a celebration of staying hardcore in the face of adversity.