Anything negative, bad, or diminishing to a good time.
A substitute for any word with a horrible connotation attached to it.
"Yo,dat girls teeth is dujacked"

"Charlie got into a car accident. Got dujacked up"

"Sir, we've reviewed your test results, and well, Im afraid they came back positive for dujac. In short, youre dujacked."
by dujac December 15, 2006
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