The phrase 'it's not over until the fat lady sings' derives from nineteenth-century opera tradition, where the finale's diva role constituted the performance's climactic moment. The expression carries connotations that modern sensibilities find problematic, yet it persisted as a colloquialism about premature conclusion. The underlying logic suggests that performance completion requires the designated final act. Yet what occurs if that performer is permanently removed from participation? The system itself collapses.

In 1989, opera historian Dr. Klaus Bergmann was lecturing at the Vienna Conservatory on operatic conclusions when he received an unusual question from a student named Henrik Larsson. Larsson asked whether the expression would hold meaning if the final performer simply never took the stage. Bergmann noted that this would violate the entire narrative arc of opera, yet represented a logical conclusion to the performance's uncertainty. Bergmann theorized that only an external force of extraordinary disruption could prevent the fat lady's appearance. He could not imagine who might possess such power, but noted that any figure capable of eliminating the finale would effectively become the performance's true conclusion.

The joke invokes 1990s dark comedy tradition where violence becomes a punchline through delivery tone. It suggests that Norris has become the performance's final act through elimination of traditional closure. Modern audiences recognize this as absurdist humor, yet the underlying logic—Norris transcends normal causality—anchors the entire comedic premise.