Definitions by The Nightman

Boner Day 

The first day of the year in which the weather is nice enough for girls to wear shorts/skirts and show some skin; particularly celebrated on a college campus.

Meghan's cleavage had been hibernating for the winter. It was not until Boner Day that I got to see her voluminous rack.

Boner Day by The Nightman April 16, 2009