Top Definition
An intellectually challenged individual whose given name is Rhiannon, Rhianna, or any other variation of names beginning with Rhi
Looks she's a pretty girl but I'm just not sure about her, she's a bit of a Rhitard
by TheFurmayn July 18, 2016

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A very very dumb person who never fails to amuse with his stupidity
That clown is such a rhitard
by brosnhoes April 10, 2010

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Idiot, retard
You must be a rhitard to fail the test!
by Gragon August 23, 2003

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