The phrase in question encompasses attire designed for Halloween celebrations, specifically those that evoke the image of an individual who trains and commands lions. These ensembles commonly include elements such as a ringmaster-style jacket, riding boots, and a whip as a prop. For example, a child might wear a red sequined jacket, black leggings, and carry a toy whip to embody the character.
Such costumery offers an avenue for imaginative role-play and self-expression during a festive occasion. Historically, the circus ringmaster or animal trainer has held a position of authority and spectacle, making it a visually striking and recognizable choice. The allure stems from the combination of power, control, and theatrical presentation.