The song "Heartbreak Party" by Jessica Mauboy is about moving on from a failed relationship and embracing a new chapter in life. The lyrics convey a sense of empowerment and self-assurance as the protagonist declares that they will not waste their time hoping for the other person to change or come back. The song suggests that the protagonist has accepted the fact that their partner was never truly invested in the relationship and, therefore, decides to prioritize their own happiness and well-being instead. They emphasize that they have no intention of waiting around for the other person or putting their life on hold for someone who is not worth it. The title "Heartbreak Party" symbolizes the protagonist's decision to celebrate their newfound freedom and independence. They choose to have a party, surrounded by friends and keeping themselves busy, to signify that they are moving on and leaving the heartbreak behind. The party serves as a metaphorical gathering to let go of the pain and embrace a more positive future. Overall, the song's message is about self-empowerment, moving on, and not allowing the heartbreak to define or control one's life. It encourages listeners to prioritize their own happiness and well-being and not waste time on people who do not value or appreciate them.