A dedicated software/music/movie pirate.
You need at least 150 gigs of pirated crap to be called a knappster these days.
by Vertigo January 9, 2004
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The term originated from the popular music share program, Napster, but is still used today in homage to the piracy legend.
My grandma's more of a knappster than you'll ever be!
by On the Downlow January 10, 2004
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Oh my god Knappster, did you forget because you're so senile?
by padkipz October 9, 2010
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