Los Muchachos Peronistas is the best-known march of Argentina's Peronist movement, associated with the political movement founded around Juan Domingo Perón in the mid-twentieth century. Sung for decades at rallies, union gatherings, and demonstrations, it became a shorthand for Peronist identity and collective loyalty. Online, short clips of the chorus circulate in political memes, reaction videos, and edits about Argentine elections, where the familiar chant instantly sets a partisan, celebratory, or ironic tone.