Jarabe literally translates to "syrup" or "medicine". It's an interesting word choice because it's not commonly found in romantic or reggaeton lyrics, making it stand out.
In the song, the artist uses jarabe metaphorically to describe a kiss from her beloved as the cure for her "mal de amor" (lovesickness). She sings, "Y en su boca está el jarabe / Bríndeme una dosis, por favor / Que un beso me haría sentir mejor," implying that his kiss is the sweet medicine she desperately needs to feel better.
Have you ever been completely smitten with someone who seems totally oblivious to your feelings? That's exactly the vibe Yailin la Mas Viral is giving us in "Mal De Amor"! She's got it bad, wishing for some magic "Solo pa' que por una vez tú me mires como yo te veo" [Just so that for once you look at me the way I look at you].
She's so over pretending, saying "Ya me cansé de fingir" [I'm tired of pretending] and just wants this person to see her. She even calls her crush "amigo" [friend] and jokes that they've made her sick with a "mal de amor" [love sickness], and the only cure is a kiss! "Y en su boca está el jarabe / Bríndeme una dosis, por favor" [And in your mouth is the syrup / Give me a dose, please]. She's ready to commit the "grave error" of a kiss because she knows it would make her feel better. She's basically saying, "You don't see yourself the way I see you!" and wants to be the "arte de tu museo" [art in your museum]. It's a fun, direct, and super relatable song about being head-over-heels for someone who just doesn't get it yet!