This reaction sound is associated with Charlie, better known online as penguinz0 and MoistCr1TiKaL, whose dry delivery made the phrase widely recognizable in internet clips and reposts. The line spread through YouTube edits, short-form meme videos and soundboards because it captures exaggerated approval in just a few words. It stays popular as a flexible reaction audio for success, relief and ironic celebration, often filling the same role as an “oh my god, wow!” style clip when creators want a louder payoff.