Top Definition
A quicker way of saying 5:00 A.M.
~phone rings~
Person 2: Hello…
Person 1: Yo, Derp!
Person 2: Dude… WTF! It's five in the morning!
Person 1: I know that it's T-Pain o' Clock, but hear me out!
by Derpshotz July 07, 2013

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