It is a word said after you say something very sarcastic. It basically means whatever was said in the previous sentence means the opposite.
by anonymous102823829 November 08, 2018
by woosword April 26, 2009
by tittiot March 22, 2015
by sweetness-and-light April 30, 2007
by Dr. Ben Abraham May 19, 2003
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by Huso Andy April 13, 2011