Enredado means "entangled" or "tangled up." It's a vivid word that goes beyond simply being "caught" or "stuck."
In this song, the singer uses it to describe how completely captivated and intertwined he is with his partner, saying, "me tiene enredado como su pelo largo" (she has me entangled like her long hair). It beautifully conveys a sense of being inextricably caught in her charm and presence.
Have you ever been in a relationship you just can't quit, even if it drives you a little crazy? That's exactly what Elder Dayán Díaz is singing about in "Mi Tóxica Bella"! He tells his friend he tried to block her everywhere and even go out with other people, but it was impossible. He says, "ella no tiene reemplazo" [she has no replacement] and he's completely tangled up by her long hair, beautiful face, and perfect body.
He admits she's "peleonera, celosa y rebelde" [argumentative, jealous, and rebellious], but also "ardiente" [fiery]. Despite all the drama, he can't stay away. He sings, "yo la veo y vuelvo a los 10 minutos yo la dejo y vuelvo porque ella es mi mundo" [I see her and I'm back in 10 minutes, I leave her and I'm back because she is my world]. For him, her kisses are worth more than her flaws, and when things get tough, she takes him to bed, makes him "ver estrellas" [see stars], and fixes everything. It's a fun, honest look at a love that's a little toxic, but completely irresistible!