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A Woopna is a Word that nobody will understand

A Woopna Also is an insult: Fuck, Bitch,Asshole

Or just word that can piss off someone for no reason
Johnny: Robert you are such a woopna

Robert: WAHT!!
Johnny: Oh, Nothing

Someone: What's a woopna?
Johnny: You Will Never find out
by whoa010696 April 10, 2010