The line comes from the Ken Griffey Jr baseball games released for Nintendo 64 in the late 1990s, when Griffey was one of the most popular players in Major League Baseball. Those titles were known for their arcade style presentation and enthusiastic commentary, and short voice calls like this were part of the in game atmosphere. As retro game clips began circulating in edits and streams, the shout survived outside the game as a compact hype sound for sports plays, gaming wins and nostalgic baseball posts.