It's about me not using that straw, going to a restaurant and telling the waitress, "Excuse me, I don't want a plastic straw, because --" and giving her a little lesson, then she goes up to the manager, the manager comes to the table and says, "Excuse me, could you explain that to me?"
Tiene que ver con que  yo no use esa pajita, y al ir al restaurante  le diga a la camarera, "Disculpe, no quiero una pajita  de plástico, porque..." y darle una pequeña lección, entonces ella le dice al gerente, el gerente a la mesa directiva y dice, "Disculpe, ¿podría explicarme eso?"