"Irma La Douce" is not only French; it is intensely Parisian French. Set in an area tourists seek, but so seldom find, its musical idiom, its moral atmosphere, its plot and its argot are part of Paris not even all Parisians know; a part of Paris where the underworld is known as the "milieu." A tart is a "poule," a pimp is a "mec" and money is "grisbi." the underworld is known as the "milieu." A tart is a "poule," a pimp is a "mec" and money is "grisbi."