a person lacking common sense, a person who lacks good sense or judgment
I work with a gaggle of nincompoops, I guess common sense isn't so common anymore.
by Ur Majesty May 19, 2006
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Talking to Jay is frustrating. He doesn't listen and he insists on his own ways. Such a nincompoop
by melvin c May 7, 2007
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A braindead self important little turd given an impressive
sounding job title to keep him blissfully ignorant of
the world shattering nefarious machinations of his
keepers.-derived from army slangnon-com short for non commissioned officer
Is G.W. is the antichrist or just a retardNincompoop?
by georgy reinecke August 24, 2006
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word to describe an already "dumb model".
that party i went this week-end was full of nincompoops
by wordligirl September 8, 2008
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