“A por ellos, oé” is a familiar Spanish supporters’ chant, literally urging a team to go for its opponents, and it is heard in football stadiums across Spain rather than coming from one film, song, or television show. The short phrase is easy for a whole stand to shout together, which is why it has travelled beyond the terraces into fan videos, match edits, and soundboards. Online it sits alongside other stadium sounds like crowd cheering and a victory fanfare, and creators keep using it because it instantly signals football passion, rivalry, and a big-match atmosphere.