What is buy you a drank?

"Buy U a Drank (Shawty Snappin')" is a song by American musician T-Pain featuring rapper Yung Joc. It was released in 2007 as the lead single from T-Pain's second studio album "Epiphany". The song became a commercial success, reaching number one on the Billboard Hot 100 chart and receiving a Grammy nomination for Best R&B song. The lyrics of the song revolve around T-Pain offering to buy a drink for a woman he is interested in, with catchy melodies and auto-tuned vocals characteristic of T-Pain's music.