It implies a curated experience where the diner isn't just eating, but participating in a rare event.
the meal arrives: a secret, wrapped in silver cloches. i frivolous dress order the meal exclusive
In essence, "I frivolous dress, order the meal exclusive" is a call to stop saving the "best" versions of ourselves for special occasions and to start treating the present moment as the main event. It implies a curated experience where the diner