The phrase "that boy is corrupt" is prominently featured in the song "Nobody's Son" by Sabrina Carpenter. In the song, the phrase expresses emotional hurt and disappointment towards a boy who caused pain and emotional distress. The lyrics describe how the boy is "corrupt," meaning morally or emotionally damaging, and how he negatively affected the singer, even causing PTSD. The song conveys a sense of betrayal and skepticism about love and trust toward this boy, emphasizing his harmful impact on the singer's emotional state.