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June 9
The day in which couples (gay or straight) celebrate sex by having sex. The reason National Fuck Day is on June 9th is because 6/9 closely resembles the popular sex position 69.
Honey, today is National Fuck Day! Let's fuck!!!

If National Fuck Day is my half-birthday, does it still count as ABC Sex?
by E-Dog1209 September 26, 2016
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8/6 (August Sex)

This is a day celebrating variety in sex partners, and just going for it.

Remember:

"If you're with someone new, you know what to do!"

This is also a great day to try skydiving, pearl diving, bottle spinning, or just anything you have always wanted to do but just haven't yet.
My hopeful fuck buddy was ready to call it a night, but I said, "Why don't you come on over to my place instead? It's national fuck day!!"
by Jovanzi January 6, 2012
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National fuck day is on the 2nd of August, This is celebrated by couples around the world by well having sex.. t02/08/12 8 is for the woman's breasts and the 2 is for a penis. National fuck day is celebrated by europians
by Heavily world August 2, 2016
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On April 29, Couple’s and non couples celebrate this day with hard core sex. It marks the day that several of the planets align and increases sexual drives of both parties.
*planets align.

Person #1. Hey it’s April 29, let’s fuck!

Person #2. Well yeah since it’s National Fuck day.
by National holidays365 April 21, 2018
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National fucking day takes place on the 14th of April

Where one can fvck whoever they want and won't be considered as rape
I want to fvck you on national fucking day
by Flex_antena April 12, 2018
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