The song "Irresistible (So So Def Remix)" by Jessica Simpson featuring Lil Bow Wow is about the intense attraction and desire the singer feels for someone. It revolves around the idea that the person she is singing about is irresistible to her. In the lyrics, Jessica acknowledges that others may try to tell her that the person is not her type or that she should resist her feelings, but she cannot deny the strong connection she has with this person. She describes how being close to them is both physical and deeper than spiritual, and that their ways are powerful. She admits that she finds it hard to breathe whenever this person is near, emphasizing their overwhelming presence and effect on her. Jessica is tempted to tell this person that she feels the same way about them, and that she doesn't want to play games or hold back her emotions. The remix adds a rap verse from Lil Bow Wow, who boasts about his success and popularity while also affirming the person's irresistible appeal. Overall, the song explores the intense attraction and emotional impact someone can have on another person, highlighting the irresistible nature of their connection.