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Something you call someone who thinks they are a genius, but is too stupid to know how to actually spell "genius", and is actually a really dumb person.
That jeanious uses anime for almost every one of her forum responses, so I called her a "jeanious"; and she thought I was actually calling her smart! She is so dumb, she doesn't even know how to spell genius and thought I was giving her props for her forum posts! What a jeanious!
by Red523 January 16, 2019
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{gee-nee-us} a fashion designer who specialises in making fabulous jeans.
iris is an jeanious jean designer, who is a genius specialised in making those fabulous jeans. (Y)
by natsukagex February 20, 2011
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