"Sign Me Up" is a song by the South Korean boy band UP10TION. The song talks about the desire to be noticed, loved, and accepted by someone special. The lyrics express the longing for affection and the willingness to do anything to capture the person's attention. The song portrays the feelings of wanting to be acknowledged and chosen by someone, as the lyrics suggest getting a chance to be the person's love interest. The protagonist believes that they are a potential match and asks the other person to give them a chance to prove themselves. They promise to fulfill the person's desires and love them passionately. The lyrics also reflect the protagonist's determination to win the person's heart and their belief that they can create a special connection. The song emphasizes the protagonist's eagerness to start a relationship and their willingness to go the extra mile to impress the person. Overall, "Sign Me Up" is a catchy and upbeat song that conveys the emotions of longing for love and seeking recognition from a potential partner. The lyrics portray the protagonist's desire to be chosen and their enthusiasm to embark on a new romantic journey.