2
One with very little intelligence. One who has no fucking clue what they are doing.
by MUG March 07, 2004
Get the mug
Get a nitwit mug for your father-in-law James.
4
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?"
by Terry Ryzing October 31, 2007
Get the mug
Get a nitwit mug for your girlfriend Larisa.
6
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
Get the mug
Get a nitwit mug for your bunkmate Larisa.
7
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.
by asholeemar August 21, 2009
Get the mug
Get a nit wit mug for your Aunt Larisa.