Sarcasm mixed with a generous helping of bitterness.
Sarcastic, angry and bitter at the world, especially men, Noodle is sarcaustic.
by L.A.R.S.O. March 23, 2006
If you make any more sarcaustic comments, I will have to slit my wrists and listen to My Chemical Romance.
by JeUSSUSUSUSU May 19, 2009