Like a casket but having 6 sides instead of 4. Where we all end up one day. AKA a pine box.
a coffin is the worst place for people who are claustrophobic.
by trey2002 April 29, 2005
0.25, 0.5, or 1mg xanax pills, which are shaped like oval "coffins" instead of "bars".
I just popped a couples coffins and I'm about ready to pass out.
by Ho0 July 23, 2006
when one farts whilst in the shower stall, closet or some small box like structure trapping the smell inside.
Jeremy laughed when he realized he coffined himself again.
by arthur hawthorne January 5, 2011
A common name for the box Microsoft sends you to put your faulty Xbox 360 in to return back for a fixed one. The Xbox 360 has been infamous with the Three red lights which signals hardware failure.
Joe: Dude, let's play the new game I got for the Xbox 360!
Jim: I can't, I'm still waiting for my coffin so I can get a working 360.
by Däni September 29, 2007
Refers to a can of chewing tobacco. A stereotypical coffin is full of death, as so is a can of chewing tobacco. But the word is used amongst chewers as a code so that they may talk about their tobacco with out any having to know.
"dude, i'm dyin right now...we need to get a coffin fast"

"Hey does anyone have a coffin?"

"what does it take for a man to get a coffin around here?"
by Please Use December 30, 2011
To be extremely intoxicated, especialy from alcohol.
Last night dog, I had some of that hen mixed with hypnotic, I was in a coffin!!
by APOLLOSTEES May 20, 2005
The act or process of being put into a coffin.
Often used in gaming in place of "RIP" or "ripe"

Commonly used when someone dies or something tragic happens.
Man 1: "Squaddd, put em' in a coffin"
Man 2:"Shit man! He was just coffinized!"
by encrypted February 14, 2015