Engualichao' is a colloquial term, particularly used in some Latin American countries, meaning 'bewitched' or 'under a spell'. It suggests being so captivated or obsessed with someone that it feels like magic or a curse.
In the song, the lyric "Diablo, tú está loco engualichao'" (Damn, you're crazy bewitched) is used to describe someone who is completely infatuated and unable to break free from the allure of a manipulative person. It's an interesting and less common word that adds a unique flavor to the lyrics, highlighting the intense and almost supernatural hold one person has over another.
"Ella No Es Tuya (Remix)" is a dembow track built around a warning: the woman one man thinks is his is actually seeing several people at once, and she never promised anyone exclusivity. The hook repeats the core message plainly: she isn't yours, she sold you a dream, and she treats other men the same way she treats you.
The verses fill in the story from different angles. One verse tells a friend directly that he's being played and should walk away before he looks foolish. Another has the woman herself speaking, refusing to be tied down and warning against posting or tagging her on social media, since that kind of public claim is exactly what she wants to avoid. Later verses turn darker, describing jealousy, staged photos, and the real danger of a rival partner reacting violently once he learns the truth.
Underneath the bravado, the song is really about mismatched expectations in a casual relationship: one side wants something serious, the other wants to keep things open, and the friction between those two positions drives the whole track.