noun. a person who is a twat but is also extremely uptight. A play on the words twat and nazi. Used as a derogatory insult towards someone engage in douchebagery.
Jessie was so obnoxious last night; he was such a twatzi about sharing his beers in the 'fridge.
by AJ Sugartits January 21, 2008
The name for a German bitch...
Adolf Hitler plowed a bunch of twatzi's.
by Gilstick January 30, 2008