Soplete literally translates to "blowtorch". It's a striking and unusual word to find in song lyrics, making it instantly memorable.
In the context of the song, Mala Rodríguez uses it metaphorically in the line "ya te veo con el soplete, intentando armarte del valor sin saber por qué." Here, the blowtorch symbolizes a desperate and perhaps destructive effort to gather courage or ignite something within oneself, even without a clear purpose. This vivid imagery makes the word particularly enticing.
Mala Rodríguez spends most of "Superbalada" talking to someone who will not get up. She opens by totting up what she has already handed over — "Una gota más de mi sangre, podría / Debería servir para quitarte el hambre" (One more drop of my blood should be enough to satisfy your hunger) — and when that lands nowhere she switches to small, concrete orders: "Tira esos libros, pon en hora el reloj de la mesilla" (Throw those books out, set the bedside clock), "Ordena tu habitación, hazme caso" (Clean your room, listen to me). Even the refusals get counted, out to an absurd decimal place: "Ocho millones 532, 702 veces, no" (Eight million, five hundred and thirty-two thousand, seven hundred and two times, no).
The chorus is a single instruction repeated until one word inside it moves. "Camina, enciende la luz / Tú no ves porque no quieres" (Walk, turn on the light — you don't see because you don't want to) is an accusation, and it comes round three times that way. The last time, quieres becomes puedes: "Tú no ves porque no puedes" (you don't see because you can't). Between the choruses she stops diagnosing and offers the way up instead — "Sube, sube, usa mi escalera" (Climb, climb, use my staircase) — and lets her own name do double duty in "es mala", which lands as both the verdict and the signature.