"What Up, What's Haapnin'", is a song by American hip hop recording artist T.I., from his sixth studio album Paper Trail. The track was produced by Drumma Boy and was released for digital download on September 2, 2008. The song peaked at eighty four on the Billboard Hot 100 and at number ninety seven Hot R&B/Hip-Hop Songs chart when it first leaked into Internet. The song is a direct diss to Shawty Lo. The video had made its way to iTunes, BET's 106 & Park, & MTV.