The Barra Brava of Boca telling the team to put more attitude into it and be champions. They also sing about their biggest rivals - River Plate and Racing
Lyrics
The 12 has gone crazy, To be first we need to put more b*lls into it, B*lls, B*lls!, To kill a hen and a third of Racing, Gentlemen, I support Boca and I love the shirt... (Repeated...)