Chulada is a colloquial and affectionate term that translates to "cutie," "beauty," or "lovely thing." It's used to describe something or someone that is exceptionally beautiful, charming, or delightful.
In "Con Zapatos De Tacón," the word is used to express admiration for women who wear high heels, highlighting their attractiveness and the captivating way they move. The lyric "Es una chulada con zapatos de tacón" (She's a beauty in high heels) perfectly captures the song's theme of appreciating feminine allure and style.
Bronco's "Con Zapatos De Tacón" is a short, danceable tribute to the effect of a good pair of heels. The singer watches the women at the dance from the sidelines, convinced heels simply make everything better: "Con zapatos de tacón / Las nenas se ven mejor" [With high-heeled shoes / The girls look better]. He notices exactly what changes — how the shoes show off a woman's calf, how they change her walk — "Y caminan con estilo" [And they walk with style] — until he's fully caught: "Nos provocan, nos incitan / Nos arrancan mil suspiros" [They provoke us, they excite us / They pull a thousand sighs out of us]. It is a classic grupero hook built around one playful, specific observation from the edge of the dance floor, repeated until it sticks.