(n) when you get a little drunk and have sex with someone other than your significant other.
Joe: You got divorced? What happened?

Bill: Unconscious coupling. I got drunk at the office Christmas party and hooked up with Alexa from HR.
by RobinGoodfellow1 April 1, 2014
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To go out, drink yourself into oblivion, then end up getting it on with someone without any recollection of how it all happened.
After the divorce, Chris went out, drank a litre of vodka and woke up, hungover, in a strange house with a naked woman. He'd clearly been unconscious coupling again.
by TheLittleBear April 1, 2014
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Another name for date rape, reserved for the upper class and celebrities because they don't get date raped like the rest of us.
The starlet was slipped a roofie and had an unconscious coupling with the man who slipped it in her drink.
by I to the P March 27, 2014
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