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1.
The act of engaging in a sword fight using the penis as the a weapon/s.
John enjoyed cogging with james, who fought hard into the night
by King Roach July 08, 2005
 
2.
The process when the "cogs" in your head work overtime often resulting in sleeplessness and un-necessary stress and worry.
Loz was awake all night due to all of that stoopid cogging!!
by LozlovesSi May 23, 2006