Poesías means "poems" or "poetry". It's an interesting and somewhat unexpected word in the context of a reggaeton song, especially one as explicit as "Reggaetonn Champagne".
The song refers to Bellakath as "la chica de las poesías" (the girl of the poems). This is a playful, ironic nickname given the song's raw and direct lyrical content, creating a humorous contrast that makes the word memorable and intriguing. It hints at a deeper, perhaps satirical, layer to the artist's persona.
"Reggaeton Champagne" is pure, chaotic party energy straight out of Mexico's underground scene. Mexican hitmaker Bellakath teams up with Dani Flow, and neither of them holds back for a second. Dani kicks things off with wild flexes and local flavor, offering a cheap getaway trip to his hometown with "Vente un fin de semana a Irapuato" [Come spend a weekend in Irapuato] and booking a room at the "Hampton Inn". He drops heavy Mexican street slang, bragging that "Aquí se factura gacho, no me voy para el gabacho" [We make serious cash here, I'm not moving to the US], while tossing around local party staples like "Perla Negra" (a popular party shot of Jägermeister and energy drink) and Mexican probiotic drinks like Yakult. It is filthy, ridiculously confident club talk meant to make you laugh and move.
Then Bellakath takes over the mic, flips the script, and completely steals the show. She mockingly introduces her verse by saying she will recite a poem ("te recito un poema"), only to drop lines so shockingly direct they instantly went viral: "Qué bonitos ojos tienes, quiero chuparte el pene" [What pretty eyes you have, I want to give you head]. She plays with the line between sweet romance and raunchy desire, calling out "Santa Clara de fresa" [strawberry Santa Clara milk] while declaring she can switch roles anytime: "Puedo ser tu puta, también tu princesa" [I can be your whore, and also your princess]. The track is crude, funny, and does not care about manners at all. It is just raw Mexican perreo at maximum volume.