Amanecida is a nuanced Spanish word used as a noun to describe an 'all-nighter' or 'a night spent awake until sunrise'. It comes from the beautiful verb amanecer, which means 'to dawn'.
In the song, the narrator describes his cycle of self-destruction, singing "Otra amanecida, y esta cruda maldita me va a enloquecer" (Another all-nighter, and this damned hangover is going to drive me crazy). The word perfectly captures the feeling of a long night of partying and regret bleeding into the morning.
Neton Vega lays all his cards on the table in "Pvta Luna," delivering a brutally honest confession from a guy who knows he completely ruined a good thing. Right from the start, he admits, "Yo no soy romántico, pero contigo, neta, la cagué" ("I'm not romantic, but with you, for real, I screwed up"). In Mexican slang, neta means "honestly" or "for real," and la cagué is the blunt way of saying "I messed up." While his partner dreamed of real romance—even wanting a "puta luna de miel" ("damn honeymoon")—he brought zero flowers, zero serenades, and refused to tone down his party lifestyle (desmadre), eventually coming home smelling like someone else.
Now, he is nursing a vicious hangover ("esta cruda maldita me va a enloquecer" / "this damned hangover is driving me crazy") and calling his ex while drunk, only to get ignored. He knows he is far from an angel compared to her, stating bluntly: "Tú bajaste del cielo, y pa' allá nunca iré" ("You came down from heaven, and I will never go there"). Even while watching her move on with another guy (güey), his bruised ego refuses to accept that she could ever truly erase him, leaving him to bitterly wonder who is taking her private photos now.