A deliberate misspelling of genius, used ironically to describe someone or something moronic.
Wow, our President is a real jenius.
by cmonkey September 23, 2007
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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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Many people think the J in Donald J Trump stands for Jewish. But it doesn't, it doesn't. It stands for JENIUS.
Gumba: I just took a fat shit in the sink because I thought it was the toilet
morris: JENIUS
by daddy morris March 5, 2021
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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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The middle name of the president of America, often mistaken for Jewish as he loves them so much.
Ryan: “man the president loves jewish people so much”
Chris: “no Ryan it doesn’t stand for Jewish it stands for Jenius”
by the token idiot September 30, 2020
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A genius waiting to be recognized. One who may not be a true genius but is a Jenius in some way, shape or form.

Ready for success.
There is a storefront jenius in all of us. That cockacoo be a storefront jenius, check him out, Tatiana. Hold up Sven, this be the workings of a storefront jenius.
by Dave Schechtman & Jared Smits October 27, 2007
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