Vicioso translates to "vicious" or "addictive." While it can describe a person, in this song, it's used to describe a "círculo vicioso" (vicious cycle).
The lyrics state, "En el círculo vicioso Donde soy adicta a ti" (In the vicious cycle Where I am addicted to you). This word is interesting because it immediately sets a tone of intense, almost inescapable passion, hinting at a relationship that is both thrilling and potentially consuming. It's a strong word that goes beyond simple romance.
Have you ever been stuck in a cycle with someone, even when you know it might not last? Lennis Rodriguez totally gets it in "Como Olvidar." She sings about waking up to another morning, caught in a "círculo vicioso donde soy adicta a ti" [vicious circle where I'm addicted to you].
It's all about those intense, secret mornings, where the sun catches them "besándonos sin calcular" [kissing without calculating] how many times it's happened or if it's going to end. She just can't forget those dark mornings of passion, feeling a bit of "maldad" [evil] as they get carried away. When he touches her, she catches fire, and she's ready to fly, even if he's taking control. It's a wild, fast ride, and she definitely doesn't want it to stop! She even says, "Compra los Monchies y trae protección, que hoy la movie es de ciencia ficción" [Buy the munchies and bring protection, because today the movie is science fiction] – it's going to be an out-of-this-world experience!