"Turn Down for What" is a single by DJ Snake and Lil Jon released on December 18, 2013. It was co-produced by both artists and co-written by Tchami. The song and its viral music video popularized the use of the phrase.
"Turn Down for What" entered the top 10 on Billboard's Dance/Electronic chart during the last week of December. In January 2014, the single entered the top 5 on the Dance/Electronic chart and debuted at No. 38 on Billboard's Hot 100. It peaked at number 4 on the chart, becoming DJ Snake's first and Lil Jon's ninth top ten, and was certified gold in February 2014. It reached its first million copies sold in the U.S. in March 2014. The song reached its 3 million sales mark in July 2014. It became the seventh best-selling song of 2014 in the US with 3,449,000 copies sold for the year.