by ogaiy June 07, 2003
Some one who tries to have a battle of wits over nitpicking $#!+
Onetimer is a nitwit
by RPHI October 20, 2008
Someone who lacks the ability to figure out how to use the social networking website "twitter".
He has been at twitter for hours, and the nitwit hasn't gotten past the profile page!
by crazypinkrose July 22, 2010