The chant comes from supporters of Real Betis, the Seville football club whose fans commonly shorten the name to Beti in song. Ole chants are a long standing part of Spanish and Latin football culture, used to celebrate skill, momentum and goals. Short recordings of the Beti version spread through fan videos, messaging apps and soundboards, where the clip became an easy shorthand for Betis pride. It remains popular because the wording is instantly recognisable to Spanish football fans while still working as a general celebration sound.