n. A Wikipedia account holder who uses acquired privileges to exert dictatorial powers over contributors. Wikitators frequently throw away factual contributions from subject matter experts that the wikitator is personally ignorant about, using their account privileges to enforce their will.
I corrected a mistake in the Wikipedia entry for where I live but some wikitator threw out my work and then banned me when I tried to fix it again.
(n) Someone who causes damage or injury to them self, other people, or objects by incorrectly operating the controller of a Nintendo Wii. This included forgetting or underestimating one's surroundings while using wide gestures, over exertion, or the inability to keep a firm grasp on the remote and launching it at high speeds.
Billy is such a Wiitard, he pulled a muscle while pitching wildly in WiiSports.
Mandy forgot her family was in the room, acted like a Wiitard and hit her brother in the face.
That Wiitard Tommy let go of his Wii remote while flailing wildly and put it through his TV.