Masoquista translates to "masochist", a term for someone who finds pleasure in their own pain. It's a striking and uncommon word to find in a love song.
Prince Royce uses it to express a deep internal conflict. He sings, "Masoquista, estoy loco, frustrado" (Masochist, I'm crazy, frustrated), admitting that he knowingly returns to a love that has hurt him before. This dramatic confession perfectly captures the bittersweet cycle of heartbreak and hope in this bachata classic.
Prince Royce is trapped in a classic romantic loop here, and he knows it. In "Otra Vez", he opens up by admitting he has walked in circles right back to where he started: "Tanto caminar y aquí estoy de nuevo / En el mismo lugar donde no quiero" (So much walking and here I am again / In the same place where I don't want to be). He switches from Spanish to English with an exasperated "Here I go again", treating his love life like a bad sequel where only the actors change ("Otro personaje, el mismo cuento" / Another character, the same story). He even calls himself a "masoquista" (masochist) for running straight back into danger when he still feels the sting of "otra daga clavada de nuevo en mi pecho" (another dagger stuck again in my chest).
Even with all that melodrama, the bachata rhythm keeps it moving because he refuses to give up on romance. He bluntly admits that no matter how many times he ends up crying or getting lost, he will gladly jump right back into the fire ("Otra vez moriré / Volveré a caer / En los brazos del amor" [Once again I will die / I will fall again / Into the arms of love]). He throws in his signature ad-libs like "No inventen" (Don't make things up / Stop playing around) and "Que no me llegan" (They can't touch me / They're not on my level), keeping that smooth swagger alive even while confessing he is totally helpless against love.