1 definition by alexander huntering

The first spring day, in which girls first and finally show off some cleavage after a long winter. Men think of this day as something like, or better than, Christmas.
Did you see that girl? She's totally celebrating Titsmas today.

Dude, Titsmas is my favorite holiday ever.

Diana, thank you for celebrating Titsmas
by alexander huntering March 22, 2010
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