Possible Clues:

• Underworld flower of calamity
• Girl's bloomer results in catastrophe
• Pluto's bloomer makes a complete failure
• Huge flop
• 'It's a calamity!' I'd assert, furiously
• Tried to manoeuvre the silly ass into: a fiasco
• Underworld bloomer resulting in bad accident
• Said 'Went off, disturbing the rest something awful!'
• Catastrophe as a result of underworld bloomer
• Calamity, sudden great misfortune