The music video was released on November 19. The video was directed by T-Pain & Todd Angkasuwan. In the music video the camera zooms past patrons frozen in time outside the club, heading inside the establishment where clubgoers are shown throwing cash at strippers, spilling drinks, and partying. During the music video, the part where he sings "and I'mma do you like Kanye, I'mma let you finish" a "frozen" clip is shown of T-Pain pushing a girl to the side and talking over her, referring to the VMA incident with Kanye West and Taylor Swift. The video features many cameos, including appearances by Lil Twist, Mack Maine, DJ Khaled, Flo Rida, Yo Gotti, and Bow Wow.
On the week ending September 26, 2010, "Rap Song" debuted at #87 on the Hot R&B/Hip-Hop Songs. On the week ending October 29, 2010, it debuted at #89 on the Billboard Hot 100, and dropped off the chart the next week.