Borro Cassette is a slang phrase that literally means "erased the tape". It's a creative metaphor for when someone claims to have forgotten everything that happened, especially after a night of heavy drinking, as if their memory were an old cassette tape that was wiped clean.
In the song, Maluma uses this iconic phrase to describe a girl who is pretending she doesn't remember their passionate night together. This retro-sounding expression perfectly captures the song's story of a forgotten romance and is a fun piece of modern Colombian slang.
This song is about a classic case of morning-after amnesia... or is it? Maluma, a huge star from Colombia, tells the story of an incredible night he spent with a woman. They kissed, they danced until sunrise—it was perfect. But when he calls her the next day, she hits him with the ultimate excuse: she "borró cassette" [erased the tape]. She claims she doesn't remember a thing, not even who he is, and blames it all on the drinks, saying "los tragos, hicieron estragos en su cabeza" [the drinks wreaked havoc in her head].
Maluma is not buying it for a second. He thinks she's just playing hard to get. He reminds her of all the specific details from their night together, trying to jog her memory. He's clearly frustrated but also completely fascinated by her. He tells her directly, "Ven dímelo en la cara y no mientas" [Come say it to my face and don't lie], challenging her to stop the games. The whole song is his side of the story, trying to convince her—and himself—that what happened between them was too good to forget.