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A 'Konstantine Day' is a particularly terrible, horrible, no good, very bad day. A particularly bad day where the only solution to the problems of the day seem to be just to shoot yourself to end the misery.

Originated from the twitter celebrity @Konstantine on Twitter and quickly spread.
"I just lost my entire project...looks to be a start to a Konstantine Day"

"Found out that the in-laws are visiting, it looks to be another Konstantine Day in the making"
by Enig April 14, 2009
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