noun: The magic hour in which you have been awake for so long, that even a cockroach scuttling across the floor is a source of high amusement.
Mary: OMG, did you just see the cat sneeze?! HAHAHAHAHAHAHAHAHA!

Sue: Mary, it must be the cockroach hour for you. A cat sneezing is not that amusing.
by catsluvdmb March 1, 2005
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