a term used to describe moving in with your lover with the expressed agreement that no sexual activities will ensue before marriage. Similar to "taxation without representation" but with a sexual aspect.
George Washington: "Benny, I hear you have moved in with your 15th mistress."

Ben Franklin: "Yes indeed! But, we are practicing cohabitation without fornication."

Thomas Jefferson: "How patriotic. Sign here."
by keVIInXI July 8, 2011
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a swinger party where formal fornication takes place on a three seater lounge in the backyard with an audience of other fuckers.
Dave: "hey there all my white dragons, get your mother fucking cock guzzler's over here!"
Emily: "we're busy on the formal fornicating lounge... get your arse here for some threesome swinger action!"
Ella: "you guys need to come over here and hook up with my monkey faced biatch!"
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this is the expanded abbreviation of the word or slang term which is FUCK.
a long time in England, one would need to get 'consent' from the king, if a couple would ever want to have sex or have a child (this is not including nobility or royalty)
man:"Lets have a child"
Woman: "But first we must get 'fornication under the consent of the king.
use that next time you want to swear :D
by rachell09 January 23, 2009
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in Europe in the olden-days...

if a man wanted to sleep with a woman and she says "no" he can go to the king and if he says it is okay, the woman HAD to sleep with the man.

Fornication Under Consent of the King=FUCK
--"dude i fucked 5 girls this weekend!"

--"you mean fornication under consent of the king?! wow i can't believe he said yes!"
by lesley_roo January 31, 2008
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an elaborate and/or fancy way to tell someone to fuck a cactus
person: Han didn't shoot first
you: kindly go fornicate with a cactus
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The letters at the beggining of each word basically spell FUCK
"Fornication Under Consent of the King YOU MAN!"
by Raijin May 7, 2005
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