"Sk8er Boi" is a song by Canadian singer-songwriter Avril Lavigne, released as the second single from her debut album, Let Go (2002). It was written by Lavigne and The Matrix, and produced by The Matrix. The song is a power pop and pop punk track, which lyrically tells a story told from the singer's viewpoint about her rocker boyfriend and a girl he knew in high school who rejected him because he was a skateboarder and she was a snob.