Ornament or adorn, especially ostentatiously or garishly, as in She was all tricked out in beads and fringe and what-have-you. This term uses trick in the sense of "dress up" or "decorate," a usage dating from about 1500. [Early 1700s]
To ornament or adorn someone or something, often garishly: I tricked out my car with some shiny new rims and neon lights. We tricked the bedroom out with velvet and leopard print. The dancers were all tricked out in beads and fringe.