Reluzentes means "shining" or "gleaming." It's a more evocative and poetic word than common alternatives like "brilhantes" (bright).
In the song, the singer is rushing to Goiânia to see "esses olhos reluzentes" (those shining eyes). This word beautifully conveys the captivating and radiant quality of the eyes he longs to see, making his journey feel even more urgent and romantic.
Have you ever missed someone so much you'd drive all night just to see them? That's the heart of "Rumo A Goiânia," which translates to "Heading to Goiânia." The singer is on an urgent, high-speed road trip through the night, his car's engine "roaring like a beast." He's so overwhelmed by saudade—a deep, Portuguese word for longing—that he just couldn't stay away any longer.
As he races through cities like Campinas, Uberlândia, and Itumbiara, he feels like he's "about to take off like an airplane." His destination is Goiânia, and his mission is to reach a special person with "beautiful, shining eyes." The journey is a race against his own feelings, and as the sun rises, he knows the frantic, all-night drive was worth it. He arrives not just with a message that he's there, but with a promise that he'll stay.