Dame banda is a popular slang phrase, especially in Caribbean Spanish, that means 'give me a break' or 'leave me alone.' It's a great example of an expression you won't find in a textbook!
In 'Vete,' Bad Bunny uses this phrase to show he's completely done with the relationship. When he says Dame banda / En mi corazón ya tú no eres la que manda ('Leave me alone / You're not the one in charge of my heart anymore'), he's forcefully telling his ex to get out of his life. Learning this phrase gives you a peek into the real, everyday language used in modern reggaetón.
Bad Bunny does not want to work things out, and he makes that crystal clear from the jump. Instead of begging an ex to stay, "Vete" is all about holding the door wide open for them to leave. He bluntly tells his former partner, "Nadie te está aguantando y la puerta está abierta" ("Nobody is holding you back and the door is open"). The romance is completely finished; he even compares the breakup to a cancelled TV show with the line "De nuestra serie ya no salen temporadas" ("No more seasons are coming out for our series"). There are no more designer gifts like "Christian Lou" (short for luxury brand Christian Louboutin shoes) or satin dresses, and Valentine's Day is officially scrapped.
Puerto Rican slang and sharp insults fly everywhere in this track. When Bad Bunny tells her "Dame banda", he is using Dominican-influenced slang that means "give me space" or "leave me alone." He even tells her to hit the road and ask the devil to drop a location pin: "dile al diablo que te envíe el pin" ("tell the devil to send you the pin"). He tells her to keep their dog just so she remembers what she lost ("Quédate con el perro, pa' que de mí te acuerdes"). It is cold, funny, and direct: he is much stronger now, he knows she never loved him, and while he wishes her fun, she is never allowed back.