The phrase references the end of Verdi’s La Traviata, which ends with Violetta’s final surge of life moments before dying of consumption. Violetta has historically been portrayed by larger singers
The phrase originates from the Loony Toons opera episodes.
The phrase references the end of Wagner’s ring cycle, which ends with a 20+ minute scene sung by the Valkyrie Brünhilde, who has historically been portrayed by larger singers.
The phrase originates from a review of a production of Berlioz’s Les Troyens. This opera is notoriously long and the reviewer noted his relief when Dido stabs herself and sings of her final vision of Carthage’s destruction, signaling the end of the show. Dido is historically portrayed by larger singers.