Underground by Men at Work explores the themes of resistance, societal pressure, and the struggle for individuality. The song paints a vivid picture of life beneath the surface—both literally and metaphorically—where people hide their true selves to avoid conflict or to protect themselves from oppressive forces. Key moments in the song highlight the tension between conformity and rebellion, urging listeners to reflect on the ways in which they may be compromising their own freedom and identity in order to fit in. The lyrics convey a sense of urgency and a call to action, encouraging people to stand up for their beliefs and live authentically, even in the face of adversity. Ultimately, Underground serves as a powerful commentary on the human spirit's relentless drive for liberation and self-expression.