Top Definition
One with very little intelligence. One who has no fucking clue what they are doing.
George Dubya Bush is a fucking nitwit.
by MUG March 07, 2004
An idiot, a fool
He's a complete nitwit
by Geoff September 13, 2003
a stupid person, an idiot
Shut up you nitwit. Leave me alone.
by Light Joker April 26, 2005
a person who apparently has no inkling as to what they should be doing.
Look at Susie, she's a fuckin nitwit!
by Cbutler January 24, 2004
A stupid person. Because the word isn't in great usage right now, referring to a person as a "nitwit" can be considered a more intense way of insulting them.
Tommy: "Cole, you stupid."

Cole: "Eh, whatever, man."

*application of the term*

Tommy: "Cole, you're a complete nitwit."

Cole: "Who do you think you're talking to?"
#dumbass #idiot #fool #nerd #smarty
by Terry Ryzing October 31, 2007
some one who is a loser and doesn't know anything.
my friend is such a nit wit for thinking butter isn't a carb.
#dumbass #loser #stupid #wanker #dumb
by asholeemar August 21, 2009
Something that squidward calls spongebob
Open the door you nitwit
#stupid #loud #dumb #annoying #idiot
by UToAreToStupid May 01, 2015
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