Devuelvo means "I return" or "I give back". While it's a common verb, the way it's used in this song is what makes it so powerful and unique.
Grupo Frontera sings, "Pero yo, hasta los besos, te devuelvo" (But me, I'm even returning the kisses to you). This is a dramatic metaphor for wanting to erase every part of a past relationship. It’s a creative and unforgettable way to declare that things are truly over, wanting to give back even the intangible memories.
If you are looking for a gentle post-breakup ballad, this is definitely not it. Grupo Frontera delivers pure spite wrapped in a catchy Regional Mexican rhythm. The singer notices right away that his ex has changed, asking "¿Qué te pasó? ¿Mami, qué fue?" [What happened to you? Baby, what was it?], before slamming the door shut. If she expected him to beg on his knees, she had him completely wrong. In fact, he gets hilariously petty, warning her that "después de mí, cualquier amor que tengas va a ser un chiste" [after me, any love you have is going to be a joke]. The core message is blunt: the intense love he once felt flipped directly into matching hatred.
He draws hard boundaries throughout the track. Notice the phrase "pa' atrás no vuelvo" [I am not going back], which uses the slang shortcut "pa'" instead of "para" to mean moving forward without regrets. He tells her not to dial his number when she gets drunk ("si te emborrachas, no llames" [if you get drunk, don't call]) and tells her to keep whatever items of his she still has, because he wants absolutely nothing from her. He takes the breakup so personally that he claims he would even return her past kisses ("hasta los besos, te devuelvo" [even the kisses, I return to you]). It is a dramatic, bitter anthem for anyone who is fully done with their ex.