The song "Shake It" by JC Chasez is about the intense attraction and desire between two individuals. The lyrics describe how the electricity and intense physical connection between them is overwhelming for the singer. The person they are addressing, referred to as "girl" in the song, shakes their bones and hypnotizes them with their movements. The singer expresses that they have set their expectations too low because of the powerful effect the other person has on them. They question whether the other person knows their name or if it even matters, as the way they love to tease adds to the excitement. The singer finds themselves on their knees, possibly expressing their vulnerability and desire for the other person. The chorus emphasizes the desire for the other person, asking them to "shake it" and give them everything they've got. The electricity and hypnotizing effect the person has continues to be overwhelming for the singer, who wants to please and satisfy the other person. The lyrics also mention wanting to connect on a deeper level, to get behind the other person's eyes and experience their perspective. The singer wants to taste and experience the other person fully and expresses the desire for a spark of their touch. Throughout the song, the singer emphasizes the electric and intense nature of their connection, with references to running through their body, veins, and circuitry. The song concludes with the repeated plea to "Shake it, do it" until they are satisfied, implying a strong sexual desire and longing for the other person. Overall, "Shake It" portrays a passionate and intense attraction between two individuals and the desire to physically connect and satisfy each other.