Sex recieved so rarely that it is potentially offered on the major National Holidays... New Years, Memorial Day, Independence day, Labor Day, Thanksgiving, Christmas. It is not required that sex be offered on every national holiday, but can not be offered more frequently. Bithday sex and Anniversary sex can be included as well while still adhering to the term.
Roger: What did you do for Christmas

Dave: I drank beer while Karen wrapped the kids presents... then I got National Holiday sex.
by Spanked as a Child March 13, 2013
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July 4 is 80 days since 4x17 was released. 80 has 8 in it. if you take away the 0 and put a 1 in front of it it becomes 18. archie proposed to betty and she told him to ask her again when they’re 18. they’re 18. all of this = a national holiday. the fourth of barchie.
Barchie National Holiday is July 4
by Katiebritt1234 July 4, 2020
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Non- faith based holiday season parties that are celebrated on the 3rd Friday of December each year between the 15th & 20th.
"National Holiday Party Day" for December 2020 will be mostly viral due to the COVID-19 outbreak respecting social distancing.
by Dunkadelic Era December 18, 2020
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A day where people make a holiday on the Urban Dictionary, Often people make harmless holidays, But some make holidays that intently cause harm or are completely illegal for certain. It takes place on the 8th of May
Person 1: I just make a National Holiday

Person 2: Oh really? What is it

Person 1: I made a holiday called "National Make A National Holiday Day"

Person 2: Seems like an interesting holiday
by JTE134MMWRCTCG April 1, 2021
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