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1.
At the last minute or with not much time left
In the eleventh hour of my life i realized i had wasted it.
by microwave safe July 07, 2005
 
2.
1: the last minute, or leaving just enough time to finish the task at hand, sometimes not enough time.

2: doomsday, the end of the world, right before the globe is annihilated, and you dont have enough time to make good on everything you promised or messed up on.
1: geez, i waited till the eleventh hour to do that paper, now im sure it's an F

2: im all set and ready for the eleventh hour, cuz i made good for everything i ever did
by nia69 December 07, 2005