This sound is from Kevin Durant Soundboard

Kevin Wayne Durant is an American professional basketball player for the Brooklyn Nets. He has won two NBA championships, an NBA Most Valuable Player Award, two Finals MVP Awards and four NBA scoring titles.
See also: Rich Kleiman, Lil B, Cavaliers–Warriors rivalry, 2016–17 Golden State Warriors season, 2017 NBA Finals, and 2020 United States men's Olympic basketball team.