"Shake" by Jesse McCartney is a catchy pop song about a romantic relationship. The song tells the story of the narrator's growing connection with a girl who lives on his block. At first, the narrator feels like she is out of his league, but they eventually start spending time together and develop a strong bond. The lyrics suggest that the girl is attracted to the narrator because he provides something special and unique to their relationship. He refers to himself as the one who "holds her down" and can provide her with what she needs. When she gets the shivers or needs a pick-me-up, she knows that he will be there for her. As the song progresses, their relationship deepens, and they become more dependent on each other. The narrator emphasizes how much he misses her when they are apart and how she has become someone he can't live without. The chorus of the song highlights the girl's desire to be with the narrator and her excitement when he contacts her. She wants to meet up and "re-up," which could suggest a desire to spend time together or even a euphemism for intimacy. The lyrics also mention her shaking and breaking, possibly expressing her anticipation and eagerness to be with him. The bridge of the song acknowledges the addictive nature of their relationship. The narrator admits his own infatuation with her, while she also shows a willingness to do anything to have him. This section emphasizes the powerful and alluring connection they have. Overall, "Shake" is a fun and upbeat song that tells the story of a budding romance and the intense attraction between the two individuals involved.