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Rofldentist, usually expressed when someone is being idiot or trying to make a new term, comes from the word rofl.

Rofldentist is mainly, used by nub and n00b users.
<nub> U r teh rofldentist!!1!
* l33t slaps nub around a bit with a large trout.
by N00b. January 13, 2006
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