The meaning and story behind Joell Ortiz and KXNG Crooked's song "The Birth Intro" revolves around the formation and origin of the rap group Slaughterhouse. In the lyrics, Sway Calloway introduces Slaughterhouse as a rap group that stands out lyrically in the current rap game. Talib Kweli then expresses his admiration for the group, mentioning that he was a fan of each member individually before they came together. KXNG Crooked explains how the idea of forming Slaughterhouse came about. Royce da 5'9" asks who is going to be on the record, and Joe Budden responds with the names Nino, which is himself, Joell Ortiz, and Crook (referring to KXNG Crooked). Upon hearing this, Royce acknowledges that the lineup is powerful and signifies that it's a "slaughter." Crooked adds that he immediately suggested they title the record "Slaughterhouse" based on that conversation. Overall, "The Birth Intro" delves into the initial discussions and decisions that led to the creation of Slaughterhouse as a rap group. It highlights the collective talents of each member and how their coming together was highly anticipated by fans and respected figures in the rap industry.