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1 definition by Flavouful Syntax

 
1.
To remove another's Dacks by force and without their expressed permission, usually bringing about shame, social awkwardness, and a sudden coldness in the underpants department.


(Aussie Slang)
Barry had to live the next three years of his school life with the memory of having been dacked on the one day that he decided to come to school without any underpants on.
by Flavouful Syntax November 11, 2004