"Buy U a Drank (Shawty Snappin')" is a song by American singer-songwriter T-Pain, released on February 20, 2007, as the lead single from his second studio album, Epiphany. The song, produced by T-Pain himself, features a guest verse from American rapper Yung Joc.

T-Pain describes the meaning of the song as "...these days lots of people begin their relationships in the clubs. Whole conversations begin with some guy buying a young lady a drink. I wanted to make a song for those folks."

The song is noted for having many references to other popular dance/rap songs:

The song debuted on the Billboard Hot 100 at number 84 on the issue date of March 10, 2007. On the issue date of May 12, 2007 the single became T-Pain's first and Yung Joc's second number 1 single on Billboard's Hot R&B/Hip-Hop Songs chart. On the same Billboard magazine issue date, "Buy U a Drank (Shawty Snappin')" became T-Pain's highest charting single on the Billboard Hot 100 to date, surpassing the number 5 peak of "I'm 'n Luv (Wit a Stripper)". On the issue date of May 26, 2007, "Buy U a Drank (Shawty Snappin')" reached number 1, becoming T-Pain as well as Yung Joc's first number 1 single on the Billboard Hot 100. The song was less popular in the United Kingdom, failing to appear on the official UK Singles Chart.

The song, which spent its chart run in each of the top 12 positions of the Hot 100, broke the record of "Truly Madly Deeply" by Savage Garden, which previously had been the only single in the history of the Hot 100 to spend time in each of the top 10 positions on the chart during its run.

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