Amárrense comes from the verb amarrar, meaning "to tie" or "to fasten". In this context, it's used reflexively as a command, meaning "fasten yourselves" or "buckle up".
It's an engaging word because it sets an immediate, exciting tone for the song. The line "Amárrense los cinturones que vamos a despegar" (Fasten your seatbelts, we're about to take off) creates a vivid image of an exhilarating journey, making listeners feel like they're in for a wild ride on the dance floor.
"Ponle" is a straightforward reggaeton party anthem. The hook is a request to the DJ: keep the reggaeton playing so the room keeps dancing, don't switch up the music. J Balvin, Farruko and Rvssian trade verses about loosening up on the dance floor and letting the bass take over, more feeling than story.
The middle verses turn playful and flirtatious, describing someone who seems shy in public but comes alive at night, and inviting her to let go to the beat instead of holding back. It's less a narrative and more a mood: a packed room, a good DJ, and a beat too good to change.