What is Jenius?
1.
A deliberate misspelling of
Wow, our President is a real jenius.
See
2.
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".
See