Güera is a colloquial term in Mexico, often used to refer to a blonde or light-skinned woman. It's a unique and culturally specific word that might not be familiar to many Spanish learners.
In this song, it's not just a descriptor but also the nickname of the powerful female protagonist,
Edgardo Nuñez builds this corrido around one woman and the room she walks into. The opening line sets the terms: "No está aquí para encajar, ella solo vino a brillar" (she isn't here to fit in, she only came to shine). What follows is a portrait assembled from small details rather than big claims. Her heels catch the light and "Suela roja va pisando" (red soles are stepping), a scent arrives before she does, and "Donde pasa todos se quedan mirando" (wherever she passes, everyone stares). The song even dates her reputation. Something changed for her in 2005, and "Desde entonces todos le dicen La Güera" (since then everyone calls her La Güera).
The second half fills in what the shine is built on. She came from Guadalajara, crossed into the United States, and now counts "Un millón de verdes para una empresaria" (a million greens for a businesswoman). She has been robbed and treated it as nothing. The sharpest couplet is about trust rather than money: "No le temo al enemigo que me ataca" (I don't fear the enemy who attacks me), "Más bien al falso amigo que me abraza" (more the false friend who hugs me). For all the talk of crowns and champions, the people she answers to are family. Chacho, Pollo and a grandson are waiting on her, and "Ni más ni menos, esa es su princesa, Estrella" (no more, no less, that is her princess, Estrella).