Sad Foot Sign by Eels is a song that delves into themes of melancholy and introspection. The lyrics vividly describe the notion of viewing life through the lens of a 'sad foot sign,' a metaphor for unfortunate events or persistent sorrow. The song conveys a sense of continuous struggle, juxtaposed with brief glimmers of hope. Key themes include the search for meaning amidst despair, the impact of external circumstances on one's emotional state, and the eventual acceptance of life's inherent sadness. Poignant moments in the song include the descriptions of daily encounters with the 'sad foot sign,' symbolizing the inevitability of encountering hardship and the influence it has on the narrator's outlook on life.