This is another way of saying bitch when it isn't intended to be quite as offensive. Bitz is said in reference to someone in either a joking manner or when one is afraid to actually say bitch. You are less likely to offend or piss off someone this way.
Your girlfriend forgot to give me a ride home from work. Dumb bitz.
by Paco August 04, 2005
In table top wargaming and miniature conversion, the term for spare pieces of multiple modeling kits. Often seen as non-essential, decorative or "counts as" items. Term made popular by Game Workshop's Warhammer and Warhammer: 40,000, as per "Ork Speech"
I had to use chaos bitz on my imperial figure just to make it look gritty.
by tannaraz April 10, 2010