Reply To: Replacement idiom for "when the fat lady sings" Home › Forums › Humor & Entertainment › Replacement idiom for "when the fat lady sings" › Reply To: Replacement idiom for "when the fat lady sings" July 27, 2015 4:02 pm at 4:02 pm #1134844 HealthParticipant How about – “It ain’t over – till Joe gets his post in!”