A desplante is a snub, a slight, or a rude and dismissive gesture. It's a powerful word to describe being treated with disrespect or contempt.
In the song, KAROL G warns her friend about her boyfriend, singing, "Tantos desplantes ya perdiste la cuenta" (So many snubs, you've already lost count). She uses this word to emphasize his constant disrespectful behavior, making a strong case for why her friend needs to leave him. It perfectly captures the theme of recognizing your worth and walking away from someone who doesn't value you.
We have all watched a best friend waste tears on someone who gives nothing back, and Colombian powerhouse KAROL G teams up with fellow Colombian star Greeicy to stage an intervention. They get straight to the point: buying a thousand roses and making empty promises looks sweet, but it is hollow when he hurts her just because he can (Él es de los que te hace daño porque sí [He is the kind who hurts you just because]). He does not pay attention to her, does not even care enough to be jealous, and hands out leftovers instead of devotion: Prometió amor de sobra y te da el que está sobrando (He promised more than enough love, but gives you only what's leftover). They admit that walking away stings, but staying and enduring endless dismissals hurts much worse.
Instead of letting her stay miserable, they prescribe the ultimate remedy: ditching the dead weight for a boat day with the girls. They even name-drop the massive reggaeton breakup anthem with the line escuchando 'Te boté' (listening to 'I dumped you'), playing on the double meaning of being out on a bote (boat) while blasting a track about throwing someone away. It is blunt, hilarious, and wildly practical advice. They want her taking a quick shot for the past and downing the entire bottle for whatever great things are ahead without him: El futuro está cabrón sin él (The future is badass without him). It is tough love, packed with pure girl-code solidarity.