1 definition by KillaMike

Top Definition
A drinking game / tradition originated at the University of Illinois (Urbana-Champaign) -- The mecca of drinking campuses. Powerhour is when you take a shot of beer every minnute for an hour. This game is usually accompanied by a CD which is customized to switch songs every minnute, usually childhood classic songs.
Lets have a Powerhour before we go out to the bars.
by KillaMike July 04, 2005
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