I Am the Best

I Am the Best is a song by the South Korean girl group 2NE1. It was featured in the Season Twenty-Three episode "Board Girls".

Background
This song plays in the background as PC Principal and Strong Woman introduce the students of South Park Elementary to trans athlete Heather Swanson, who starts dancing to the song and rips off her spandex bottom, exposing a pair of underwear that exposes her genitals.