what if you wished someone bad luck
Generally, it is considered bad luck to wish someone good luck in a theatre. Prior to performances, it is traditional for the cast to gather together to avert the bad luck by wishing each other bad luck or cursing â in English-speaking countries, the expression  break a leg  replaces the phrase  good luck .enerally, it is considered bad luck to wish someone good luck in a theatre. Prior to performances, it is traditional for the cast to gather together to avert the bad luck by wishing each other bad luck or cursing â in English-speaking countries, the expression  break a leg  replaces the phrase  good luck .