The clip comes from the NORAD Santa tracker call on Christmas Eve 2021, when Oregon father Jared Schmeck ended a chat with President Biden by saying Let's Go Brandon. The phrase had started months earlier at a NASCAR race, where a crowd chant against Biden was reported on air as praise for driver Brandon Brown, and it quickly became a coded slogan. Biden repeating it back with I agree was replayed across news and social media, turning the brief moment into a lasting political meme sound.