ass crack of dawn
Redonkulously early in the morning. Often it is still dark out. Commonly used when one must wake up early after a night of drinking, or getting up to go on a trip. Also can be referred to "Oh dark hundred"
Person 1: "Dude, what time do we have to get up tomorrow?"
Person 2: "The freaking ass crack of dawn."
Person 2: "The freaking ass crack of dawn."
ass crack of dawn by K.Spence June 11, 2006
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