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A word added to Urban Dictionary so that it can be used in Scrabble from here on out. It can also be used as an insult, as if calling someone a vagina.
Bruce: (Puts down vagum on the scrabble board) Is vagum a word?

Steven: No, Vagum is definitely not a word.

Bruce: I'm looking it up in the dictionary!

(Not in the dictionary; ergo, I'm adding it)

Used as insult...

Lindsey: Bruce is such a vagum!
by stevenedward January 31, 2011
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