"Champagne Supernova" by Oasis is a song that has a somewhat ambiguous meaning, with its interpretation changing depending on the mood of the songwriter, Noel Gallagher. He has said in interviews that the song is a bit psychedelic and epic, reflecting on youth, disillusionment, and the feeling of being caught beneath a landslide, which can feel suffocating in a bad mood. The lyrics touch on themes of disappointment with people who promised change but did nothing, as well as fading movements like punk rock that were expected to be revolutionary but ultimately failed to deliver. The song also conveys a sense of nostalgia and reflection on growing up and the passing of time. Some interpretations suggest the "Champagne Supernova" represents a kind of escape, a heaven-like state that one might reach through drugs and alcohol, symbolizing freedom and relief. Noel has mentioned that some lines in the song might mean different things at different times, and there are elements of both hope and giving in to weakness. Overall, the song evokes feelings of togetherness, brotherly love, disappointment, and the bittersweet nature of youthful dreams and realities. It remains open to personal interpretation, which contributes to its lasting emotional impact and popularity.