The kind of person that makes a retarded chimp look smart. They often can be found leaving definitions for their own name or the names of their friends on urbandictionary.com
Joe smith definition:
1: joe smith is the coolest man alive, look at me i wrote my name i am joe smith
2: joe smith is a twit
A moron with absolutely no sense.
See also Paris Hilton
According to Oxford Student's Dictionary: a foolish person
(n.) Someone with the rare ability to suck their own cock
The other day I walked in on my son sucking his own umm...let's just say he's a twit
a) an imbecile
b) a user of the social network Twitter
a) He's such a Twit
b) He's such a Twit
something that you call someone who is anoying or a complete asshole
man that guy over there is sucha a F***ing twit
Acronym for "Terrible Woman Instigating Trouble". Most often a female friend or co-worker who in an obsessive covert manner sabotages the relationship of a committed couple to oust one partner for her to permanently replace. May have issues (+/-) of mental or physical impairment typically found to be undesirable in a mate.
"Honey, have you noticed our friend Swethoggah giving you "the look"? S/he drops in so often I sometimes think s/he doesn't want you and I to spend time alone. We should start being not so available because s/he is acting like a T.W.I.T."