To have sex, but before marriage. If you are married, then it's just pain sex. If you are married, see fuck.
If you are religious, fornicating can be against one of your beliefs.
by Joey Blanchette May 17, 2005
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When you bone the bejesus out of someone.
Me and your old lady fornicated all night long while you were at work.
by nonimac November 30, 2007
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Fuck it Im gonna fornicate. I rather lose my virginity to fornication rather than being married then losing virginity.
by One little hellian November 8, 2017
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To procreate, have sex, engage in coitus, etc.

Very akin to fuck

see also copulate
In court, on the witness stand

Prosecution: What led you to beleive the defendant was violent?

Witness: The defendant smashed up my car and told me to fornicate myself.
by Joe Slang December 29, 2004
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To have sex. Once used in formal speech a long time ago.
Claudius snuck over the wall so he could fornicate with his neighbor's wife.
by AYB April 2, 2003
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1. Quite literally, one who fornicates (aka fucks).

2. The technical (old-fashioned) term for one who has sex outside of marriage.
1. There were some fornicators at the McDonald's last night; I caught some of it on my phone. Check it out!

2. In today's world, nobody really cares if you're a fornicator because odds are, so are they.
by Tddlz August 24, 2010
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