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1. to be the worst possible roommate; to make messes, make noise, play a ukelele, not know who Will Ferrell is, to complain but not solve.
2. To be a total douchebag.
ROOMMATE: "wait, wait.. is Penelope Cruz Tom Cruise's wife, or daughter?" ....... "Wait, wait.. Slumdog Millionaire is a MOVIE??" ....... "Wait, wait... What are the Oscars for?" (the last question was asked after the majority of the Academy award show had just been watched.

EVERYONE IN ROOM: "what a VonTard"
"yeah, he's totally VonTarding."
by One More Week!!! April 23, 2009
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