Did you perhaps mean jejune?
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Examples
“Previously, I had deployed a regrettably jejeune attitude to carbon emissions.”
The Guardian: Go green before it becomes compulsory | Kevin McKenna
“But isn't a state such as Iran being disingenuous when it cries nuclear injustice? practitioners of realpolitik, isn't that jejeune?”
“(After looking up WTF “fatuous” and “jejeune” meant.)”
“Paris stirs the imagination, seduces the senses, and inevitably leaves one feeling very jejeune and jealous.”
“And third, does anyone else note the inappropriate and jejeune tone informed, it appears, by The Lord of the Flies?”
The Volokh Conspiracy » In Defense of the Office of Legal Counsel:
“[Charlotte] Riddell, "The Open Door" [PDF]: the narrator is entertainingly jejeune.”
“Mr Leonard is about to have a book published, entitled in a somewhat jejeune fashion Why Europe Will Run the 21st Century.”
“Some never awake to the consciousness of the better things neglected; and if one, like myself, is at last seized upon by a blended passion for knowledge and for truth, he has probably committed himself by a series of jejeune efforts, the standard of inferiority is erected, and the curse of mere cleverness clings to his name.”
“In many circles it's jejeune to even bring it up, since it also opens that whole art-commerce can of worms, and many people associated with comics not only want to believe that commercial considerations have no place in the creation of comics (though they always do; no one creates works they don't expect anyone will want to see) they enjoy reveling in the relative small-timeness of the medium, and the art.”
“But the rather jejeune lyrics ( "We're gonna spread happiness / We're gonna spread freedom") call for neither race war not the invasion of Czechoslovakia.”
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Mavolina Scaff qroqqa is correct. Sep 10, 2010
dontcry "Will he come? The jejune jesuit." - Joyce/Ulysses
Perfect! Jan 3, 2009
qroqqa Common misspelling of 'jejune', probably influenced by French jeune "young", with the presumed connecting meaning "immature". It's actually cognate with the lesser-known (and unrelated) jeûne "fasting". Jan 3, 2009
plumpesdenken Bew pays close attention to the preoccupation of many Victorian intellectuals with Ireland, and deals with the ideas of Mill and others without falling into the jejeune generalisations of post-colonial critique.Foster Dec 13, 2007