Studying Spanish, he noted that there is a verb pitar in it, which means “sweep” or “judge” in various sports. In the future time of the 2nd person of the single number it is transformed into pitarás (you will whistle, you will judge). Thus, we can now say with confidence that during the match the fans, charging the famous scream on the podium, do not insult the referee at all, but simply in Spanish express confidence in the success of his future career :)