Susurrándome comes from the verb susurrar, meaning "to whisper." The -ndo ending makes it a present participle, and -me means "to me," so it translates to "whispering to me."
In the song, the artist sings, "Susurrándome cosas al oído" (Whispering things in my ear). This word evokes intimacy and a sense of closeness, making it a captivating choice that hints at the song's romantic and sensual themes without being explicit.
Yami Safdie and Nacho's "Flashbacks" is a super fun, flirty song about being completely consumed by thoughts of someone you've been intimate with. The singers are both having "flashbacks all week" [Estuve teniendo flashbacks all week] of a passionate encounter, making it impossible to sleep. They can't stop thinking about the physical connection, like "your hand on my neck, watching me intently" [Tu mano en mi cuello viéndome fijo] and whispering things in their ear.
It's all about that intense longing to relive those moments. They're so distracted that they "can't concentrate on anything now" [Ahora para nada me concentro] and just close their eyes, seeing the other person's body. The lyrics are pretty direct and playful, with lines like "take a picture of me and save it until we see each other again" [sácame una foto y guárdala hasta que volvamos a vernos] and not caring "what the neighbors complain about" [No me importa que se quejen los vecinos]. It's a confident, no-holds-barred invitation to reconnect and lose control together, emphasizing that it's "only with you" [Solo con vos] that they feel this way.