"Hardline" by Jimmy Barnes is a song about being in a toxic and abusive relationship. The lyrics describe a late-night confrontation where the narrator can sense something is wrong through their partner's aggressive demeanor and cold stare. The partner constantly puts the narrator down and pushes them around, making them feel worthless and inadequate. Despite the mistreatment, the narrator tries their best to meet the partner's expectations but never succeeds. The lyrics convey the narrator's realization that they deserve better and refuse to be a target for their partner's abusive behavior any longer. They acknowledge that they can handle the pressure and fights, but understand that it will never lead to a healthy relationship. Throughout the song, the narrator expresses their desire for the partner to change their ways and take responsibility for their actions. They plea for an apology and a chance to make things right, but deep down, they know it's their last opportunity to break free from the toxic cycle. The chorus emphasizes the narrator's determination to detach themselves from the abuse, highlighting that they will be better off in the long run by ending the relationship. In the final lines, the narrator asks their partner to take action and save them from their despair, as they are the only one who can lift them up and help them recover. The song encapsulates the struggle, pain, and decision to finally stand up for oneself in a harmful relationship.