Reproche means 'reproach' or 'blame'. It's a weighty, emotionally charged word that isn't common in everyday party music.
In the song, Junior H sings "Me llega el reproche" (The reproach comes to me) as night falls. This suggests a wave of guilt, self-blame, or regret that hits him when he's alone with his thoughts about this toxic relationship. It captures the painful introspection behind the song's seemingly glamorous surface.
Mexican artist Junior H kicks off "Extssy Model" with that gut-drop moment of running into an ex out of nowhere. One second you are fine, and the next, el tiempo a mi lado se hacía más lento ("time slowed down beside me"). He swore he was done thinking about her, but bumping into her ruins all his progress. He calls it a cruel twist of luck: tú y yo no cabemos en un mismo infierno ("you and I can't fit in the same hell"), so his first instinct is to run far away. But self-control loses instantly once the sun sets. Instead of leaving, he tells her to jump in his car and undo her hair clasp (móntate en el coche, quítate ese broche), dubbing her his "ecstasy model." Even while admitting his spirit feels completely hollow (mi alma está vacía pero estoy sonriendo), he gives in anyway.
Then he jumps from late-night hookup straight into pure petty jealousy. He starts obsessing over her future, wondering if she will marry someone else. In fact, he plans to show up at her hypothetical wedding just to mess with the groom: pa' felicitarlo y dejarle un recado ("to congratulate him and leave him a message"). The message? A blunt warning not to touch her at midnight, followed by telling the guy to ask her who was actually better in bed. It is over-the-top, dramatic, and brutally honest about the kind of toxic pride that lingers long after a breakup.