Aturdido translates to "stunned," "dazed," or "bewildered." It's a less common word than basic adjectives, adding a touch of poetic intensity to the lyrics.
In "Mejor Me Voy," the singer uses aturdido to describe how he feels in the presence of the person he's singing about: "Contigo me siento aturdido" (With you, I feel dazed). This conveys a powerful sense of being overwhelmed and losing his composure, which is central to the song's theme of needing to leave to protect himself from an irresistible attraction.
Have you ever been so attracted to someone that you know it's bad for you, but you just can't help yourself? That's exactly what Santiago Cruz is singing about in "Mejor Me Voy" [I'd Better Go]. He's in a situation where he feels completely overwhelmed by someone, admitting, "Contigo me siento aturdido / Y se me va la poca voluntad" [With you I feel dazed / And my little willpower disappears]. He knows if he stays, he'll give in, saying, "Por más que quisiera beberte / Y sumergirme dentro tuyo hasta el final / Sería mi muerte" [As much as I'd want to drink you in / And immerse myself inside you until the end / It would be my death].
It's a really relatable struggle, isn't it? He's trying to make the smart choice and leave, but it's incredibly hard. He confesses, "Me voy porque no me aguanto / Y si caigo contigo no me levanto" [I'm leaving because I can't control myself / And if I fall with you, I won't get up]. The desire is so strong that he even says, "Me voy y no quiero irme / Yo sé que después voy a arrepentirme" [I'm leaving and I don't want to leave / I know I'll regret it later]. It's a powerful look at the internal battle between what you know is right and what you desperately want.