Supertramp's song 'Poor Boy' is a poignant exploration of the struggles and aspirations of a young man who feels disconnected from society. The song delves into themes of existential angst, socio-economic disparity, and the pursuit of dreams in the face of adversity. Key moments in the song include the protagonist's reflection on his life and his future, symbolizing the universal quest for meaning and purpose. The lyrics poignantly capture the emotional turbulence of feeling undervalued while holding onto hope.