Acaríciame is the command form of the verb acariciar, which means 'to caress' or 'to stroke gently'. It's a much more tender and intimate word than the more common tocar (to touch).
In this classic RBD ballad, the singer pleads, "Acaríciame un momento" (Caress me for a moment). It's a request for one final moment of gentle affection before a painful goodbye, perfectly capturing the song's bittersweet and emotional core.
Few pop tracks hit as fast as this one. Right away, you walk in on your partner awake and already crying: Me dices lo siento / Con una lagrima derramas ("You tell me you're sorry / Spilling a tear"). There is zero beating around the bush. You instantly freeze when they try to hold you (Me abrazas me hielo - "You hug me, I freeze"), completely breathless because you realize a breakup talk is happening right now. You even ask what you did wrong (Que fue lo que yo he hecho mal - "What did I do wrong?"), which is the most agonizing, relatable panic when someone pulls the rug out from under your relationship.
Instead of launching into a massive fight, the singer begs for a bizarre, beautiful pause: Sólo quédate en silencio cinco minutos ("Just stay in silence for five minutes"). That plea is dramatic and completely honest. They do not want explanations, apologies, or excuses. They just want five minutes of pure quiet, a tender touch (Acaríciame un momento - "Caress me for a moment"), and one last deep kiss before packing up every emotion and walking out the door forever (Guardaré mis sentimientos / Y me iré lejos de ti - "I will pack away my feelings / And I will go far away from you"). It is a desperate bargain with reality, trying to steal three hundred seconds of peace before the pain truly begins.