Guarida literally translates to "lair" or "den," typically referring to a wild animal's resting place or a secret hideaway.
In the song, the singer playfully calls the girl's home her "guarida", boasting that he is going to pull up to her hideout in an armored SUV. It is a vivid, cinematic word that gives this late-night romance the thrilling feel of an action movie!
This song is a brutally honest confession from a guy who knows he's not relationship material. He lays it all out from the very first line: "Tú, tan buena, y yo, tan cagazón" (You, so good, and I, such a mess). He's telling a woman that their connection is purely for fun, not for anything serious. He warns her directly, "No te vayas a 'ganchar, bebé" (Don't get hooked, baby), because even though they can hook up, he admits, "a diario no te puedo ver" (I can't see you daily).
Despite this, he still calls her his absolute favorite. The song is full of swagger and details of a wild lifestyle, mentioning an expensive life, excesses, and alcohol. He even calls himself "un cabrón pero tu cabrón favorito" (an asshole, but your favorite asshole). He's completely upfront about his flaws, telling her that if she thinks she might fall in love, they should just stop talking. It's a bold song about wanting a physical connection without any of the emotional commitment.