1) A story of Greek legend, in which tyrant Dionysius II of Syracuse showed Damocles the dangers of being "fortunate" by allowing him to sit in his throne while a sword hung over him held only by a singe strand of hair.

2) An ever-present threat that can destroy one's good fortunes at any moment.
Is the Tea Party really that suicidal for the Sword of Damocles over their heads?
by Nunuv Yabizness July 31, 2011
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