📝 Idiom of the Day: "Break a Leg" Not to be taken literally, the idiom "break a leg" is actually a good luck wish, especially in the performing arts! Actors and performers use this phrase instead of "good luck" before going on stage. Example sentence: Before her Broadway debut, her friends backstage shouted, "Break a leg!" Fun fact: The word is believed to come from theater superstitions where wishing "good luck" to a performer directly meant bad luck.