Indecisa means 'indecisive' in English. It's a word that directly addresses a common human trait and is used in a playful, inviting way within the song.
In the lyrics, the singer tells his love interest, "No la pienses, no seas indecisa y avisa" (Don't overthink it, don't be indecisive and let me know). This line is a direct invitation to seize the moment and enjoy the luxurious life he's offering, making it a key word for understanding the song's theme of spontaneous romance and indulgence.
In "IBIZA," Grupo Frontera celebrate going from wishing for things to finally having cash to burn, and they want to spend it all on someone special. The track opens with a proud checklist: he bought his dream car, filled a whole closet with Air Jordan sneakers ("El closet de Jordans ya llené" [I already filled the closet with Jordans]), and bought a house for his mother ("La casita pa' mi amá" [The house for my mom]). Now that life is comfortable, he is shamelessly trying to spoil his crush. He promises to be the vato (slang for "guy" or "dude") who hands over whatever she asks for, even offering an entire troca (truck) loaded with fresh roses every single weekend.
From there, the flex turns into an invitation for a wild road trip. He tells her to pick any car she likes to drive through Los Angeles, cranking up the stereo and joking about doing things outside the law ("haciendo cositas fuera de la ley" [doing little things outside the law]). To top off the over-the-top charm, he boasts about having diamonds set right into his smile and throws out a spontaneous offer to fly across the world to the party beaches of Spain ("Si quieres nos vamos pa' Ibiza" [If you want, we'll head to Ibiza]). It is cheerful, flashy, and very direct about sharing the good life.