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Like crack, but spelled by someone actually on it.
ya dude i love crak!!
by NotARapist April 24, 2005
A word for whit or humour.
Jimmy says "why did the chicken cross the road,to get to the other side"

"you have no crak"
by sdhguishgui September 25, 2008
A name for an addicting game or hobby. play this so much you are an addict
*my freind joe plays runescape too much it is his *crak*
by jeremy o_0 October 21, 2003