Perigo means "danger". It's an intriguing word that immediately suggests excitement and a bit of a thrill, making it stand out from more common vocabulary.
In the context of the song, Cristiano Araújo sings about a woman who "gosta do perigo" (likes danger). This implies a passionate, perhaps forbidden, romance, adding a layer of intensity and allure to the lyrics. It's a word that hints at a captivating story within the song.
A sertanejo love song built on one promise: "Hoje eu sou seu, meu bem" (Today I'm yours, my dear). The singer is caught in a "Nosso amor proibido" (Our forbidden love) with a woman whose "Esse seu jeito de mulher / Que gosta do perigo" (That womanly way of yours / Who likes danger) is "'Tá me deixando louco" (You're driving me crazy).
He makes no case for a future. He asks for tonight only, over and over: "Vem, se entrega inteira, vem / Fica comigo, vem" (Come, give yourself completely, come / Stay with me, come).