b'Quarterbacks yell it. Gamers revel in it. Bros text memes and hashtags of it. Even Travis Kelce\'s girlfriend loves it. How did a simple phrase transform from a Jumbotron clap-along into such a ubiquitous exclamation? With apologies to Tom Brady and Lil Jon, correspondent Jeremy Tach\\xe9 searches for the real GOAT of "Let\'s Go!"\\nLearn more about your ad choices. Visit podcastchoices.com/adchoices'