a useless person. stubborn and stupid.
Talking to Jay is frustrating. He doesn't listen and he insists on his own ways. Such a nincompoop
by melvin c May 07, 2007
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
(n.) A persons who intelligence is at a lower caliber and proceeds to flaunt his idiocracy in an unappealing or inappropriate manor.
Person 1: I raped a cow.
Person 2: No you didn't. Shut up, you nincompoop.
by Crazy Worm February 18, 2008
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