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A deliberate misspelling of genius, used ironically to describe someone or something moronic.
Wow, our President is a real jenius.
by cmonkey September 22, 2007
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May 8 Word of the Day
1. Slight sins or offenses
2. Petty crimes or small infractions
3. Las Vegas Punk Rock!
Peccadilloes shows rule.
by James Messina August 11, 2006
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A term used for someone who did something so stupid, that it's comparable to the stupidity of not knowing how to spell "genius". Mostly only usable in internet speak, since jenius and genius sound the same.
"Perhaps staying up till four a.m. wasn't the best decisions."

"U r a jenius".
by Kyle Blah May 23, 2007
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Pronounced "Jenn-yus" (not "Jean-yus"): "Jenius" is not a misspelling of "Genius" as claimed by the Fake News.

Noun masc.: 1) A moron who considers himself an expert on everything.

2) Term coined by Pres. Donald Trump as the complete and perfect description of himself.
I am the Jenius. {Note: "the" is correct usage; "a" is not. Thankfully we have only one jenius on planet earth.
by DaSunshine April 21, 2020
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