1 definition by Billiam27

November 13th. A day for all of the gents to celebrate their endowment. The first National Big Dick Day was started in 1798 by John "Big J" Dickinson, with the date chosen to be his birthday. The validity of Big J's claims is disputed.
Matt: "How did you celebrate National Big Dick Day?"

Nate: "Not allowed to."

Matt: "Damn."
by Billiam27 June 5, 2021
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