A person being an idiot, saying stupid things, or being annoying, on Twitter.
Carlo was being a Twitiot after he argued with himself and started complaining about Jim's garden.
by DifferentThinker February 24, 2009
A person that is constantly twitting and talking about twitter all the time.
The conversation was going great until Javier busted in and started to talk about his cyber friends like a twitiot!
by wallville September 17, 2009