At each hour; once each hour.
-It kept growing darker by the hour.
-I have to take this medicine by the hour.
-He is losing control by the hour.
by Nanuc September 11, 2013
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Referring to the male erection'
Example: That girl was so hot she gave me ''THAT HOUR''.

Example 2: is that a flashlight in your pocket or is it "THAT HOUR"


'you should get the point'
by Dan-E A. June 8, 2009
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