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noun; a dance at Miramonte, you are supposed to bring a date that is gorgeous, cool, and fun to be with.
Isabelle, will you go to winterball with me? - Alex
by anic528 January 19, 2009
A high school dance which tends to be postponed every year due to snow storms.
Student 1: Man, I'm so excited for the dance this weekend!
Student 2: Don't get too excited. This is winter ball, I doubt it'll actually be this weekend.
by N@y February 11, 2012