the moment or series of moments just before a person or person is utterly inihilated, literally or figureatively, and sees the cause of his destruction just before it kills him, and/or just after it is too late to do anything about it, and the most apt phrase for the moment is "OH SHIT";
the moment when you know your fucked
**september 11, 2001, John Tucker looks out of the window from his office in the World Trade Center, New York**
John: OH SHI--
oh shit moment
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