Cucarme is a fun, slang verb that means "to tease me" or "to provoke me", often in a playful or flirty way. It's a great example of Puerto Rican slang that you won't find in a standard textbook.
In the song, Young Miko sings, "Siempre te pierdes solo para cucarme" (You always disappear just to tease me). She's describing a playful cat-and-mouse dynamic where her love interest acts distant just to get a reaction out of her, making it a key word to understanding their relationship.
Young Miko is not playing around in this song! She's talking to a girl who's trying to make her jealous by going quiet on social media and leaving her messages on read. Miko sees right through it, singing, "Yo te conozco, tú no vas a bloquearme" (I know you, you're not going to block me). She knows it's all a game to get her attention, or as she puts it, "Siempre te pierdes solo para cucarme" (You always disappear just to tease me).
Instead of getting upset, Miko just heads over to her apartment. She's confident that once they're together, any bad mood will disappear. The chorus is super direct about how she can't stay mad at this girl, asking, "Con ese peach, mami, ¿Quién se enoja contigo?" (With that peach, mami, who could get mad at you?). It's a fun, flirty track about a classic push-and-pull dynamic where attraction wins out over any mind games.