"Copycat" is a song by Billie Eilish, and it addresses the theme of imitation and the desire for individuality. The song's lyrics convey a sense of frustration towards someone who is trying to copy the style, behavior, and attitude of the artist. In the song, Eilish expresses her dislike for those who mimic her and try to steal her identity. She warns them to be cautious and not to cross the line. Eilish believes that they are unoriginal and lack their own unique qualities. The lyrics mention how the person imitating Eilish will never be able to have what she possesses, whether it's her talent, success, or individuality. The artist compares herself to a crime, implying that her uniqueness is inimitable. Eilish refuses to conform to societal expectations and asserts her independence from others. She has developed her own style, and everyone in the world knows who she is, yet she doesn't belong to anyone. Essentially, the song is about embracing one's originality and not settling for being a mere copycat. The lyrics also contain a sarcastic moment when Eilish apologizes for exposing the truth to the imitator, as if mocking their attempt to be just like her. Overall, "Copycat" reflects Eilish's frustration with those who try to imitate her and emphasizes the importance of individuality. It serves as an anthem for those who value their own uniqueness and refuse to be copies of someone else.