A bucking horse, also known as a bronco, is any breed or gender of horse with a propensity to buck. The term comes from the Spanish word bronco, meaning "rough/gruff," which in Mexican usage also describes the horse.
—Item description, Persona Q: Shadow of the Labyrinth
The Bucking Broncos are a weapon for Chie. They can be purchased from the Handcrafted Workshop for ¥11,000 after selling one Ripped Schedule, gathered from Power Spots in Story 2 of the Evil Spirit Club.
—Item description, Persona Q2: New Cinema Labyrinth
The Bucking Broncos are a weapon for Chie. They can be purchased from the Shop for ¥17,350 after selling two Sword Pommels, dropped by Justice Sword, and one Drive Screw, dropped by Rampage Drive in A.I.G.I.S.