The opposite of fun.
My date last night was horrible! No matter what I suggested, she just didn't want to do anything! She was so antifun!
by Babo Sang Pyo October 30, 2005
by Chotoblue December 12, 2017
Someone who doesn't like to go to fiesta bowl football games because they are too afraid they might have fun
by Challbaby82 December 11, 2024