When one lies motionless on top of another person while their sexual organs are interlinked.
Quentin was unamused when Timmy gave him the coffin last night.
by laff11 December 7, 2016
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A regular automobile such as a Honda Accord or a Toyota Camry. The name refers not to the safety of the car but to the fact that the people driving them don't really live. They are already dead.

My mom wanted to buy a coffin but my dad would let her.
by Joe Iron February 17, 2008
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A euphemism for just about any noun/verb you could think of
"Hey, dude. Wanna go power coffin Swervedriver vocalist, Adam Franklin with me?"
"You bet your juicing power coffin I do!"
by DEFEKATOR January 27, 2017
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a group of 4 or 6 people holding a coffin which is supposed to be you after stepping on a lego or stubbing your toe. it is the new hot meme that anyone could laugh at. much comedy
me: steps on lego

coffin guys: dancing intensifies
by toss boy is god April 16, 2020
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a dangerously accident prone aircraft
They knew it was a flying coffin, but did nothing to improve the design.
by The Return of Light Joker February 3, 2012
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The kind of sex that happens in a tight space; you can also have trouble breathing during this time. Places where you can have coffin sex include closets, small bathrooms, dressing rooms, etc.
A: I had coffin sex with my girlfriend the other night.
B: It must've been pretty tight, then. Where'd it happen?
A: In the bedroom closet at my parents' house.
by un-named August 30, 2006
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a tanning bed or an artificial sunlight bed used to achieve tan skin
"Hey girl I'm hittin the cancer coffins after work wanna come along?"
by hippiechick38 March 21, 2007
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