Lyric discussion by EventHorizonoftheDistortions 

While this song has sexual elements I think you've completely missed the point if you think that's what it's solely about. "Rainbow" is about two secret lovers who share an intimate moment that's not even necessarily sexual. It might be realizing that you're deeply in love with someone, sharing your first kiss or touch with together, or perhaps feeling the electricity and passion between you. In this song, two people share a very close, intimate moment together and it's as if time is standing still. It's so intense it's almost surreal. Some people seem to think that the lyrics are explicitly sexual ("making me pop" either referring to fellatio or losing one's virginity ) I don't think it's the case at all. I believe the "pop" refers to how the woman is so in love that her heart is almost bursting with love. She is so in infatuated, everything her partner does just makes her realize how well they click/fit together. Her partner is her entire world and everything that's in it. To me, the song is not very much about sex at all but how you emotionally submit to someone completely when you fall in love.

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