The song "Billie Eilish" by JUMEX talks about the singer's desires for attention and affection from a certain person. He acknowledges that the person may be pretending and trying to teach him a lesson, but he still wants their love and attention. The lyrics also touch on the singer's use of drugs to cope with his emotions. The title "Billie Eilish" refers to the popular singer and her impact on the music industry. Overall, the song is a reflection on the singer's personal struggles with relationships and emotional well-being.