In your leotard and Stetson, are you a maverick, a teetotaler, or a dooze? At times, you’re just a flash in the pan who receives short shrift as you’re licked into shape. Other times, you're in like Flynn as you see eyeball to eyeball with a Devil's advocate. You may have a yen to steal someone's thunder or be a masochist stuck with a white elephant. Do you knock on wood, go beyond the pale, or pray for curfew? Why do we say what we do? Explore the meaning behind these and other colorful terms.