Aquieta comes from the verb aquietar, meaning 'to calm', 'to quiet', or 'to soothe'. It's a more poetic alternative to the common word calmar.
In the song, Rauw Alejandro uses it to create a powerful image, singing, "Mi gata salvaje y yo soy quien te aquieta" (My wild cat and I'm the one who calms you down). This line beautifully contrasts a wild, passionate nature with the soothing effect he has on his partner, adding a layer of intimacy to the track.
This song is all about running into an ex at the club and immediately wanting to hook up again. Rauw Alejandro and Bad Bunny spend the whole track asking one big question: "¿Qué pasaría si volvieran / Esas noches dentro de ti?" [What would happen if those nights inside you returned?]. They're not exactly subtle about it. They remind her how good their physical connection was and try to convince her that she's missing something that only they can provide, saying "Algo te está faltando, bebé, y / Yo lo tengo, ma'" [Something's missing for you, baby, and / I have it, ma'].
The whole vibe is super confident and direct. They don't care what anyone thinks, asking "¿A quién le importa?" [Who cares?] if they get together again. Bad Bunny's verse gets even more intense, fantasizing about their future kids before pulling back: "Ya por mi mente pasa hacerte un par de nenes" [It's already crossing my mind to make a couple of babies with you]. It's a classic reggaeton track focused on pure physical desire and the temptation of revisiting a past flame, all set to a beat that makes you want to find someone in a crowded club.