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1. Coffin Nail
slang term for a cigarette
a coffin nail a day will put you away
by TokeJoker Nov 13, 2003 add a video
2. coffin nail
Anything that contributes to an early death, particularly....

(N.) Cigarette, usage pre-world war I and still continuing today.
"Whip me a pack of coffin nails to put me to a premature death"
by Kung-Fu Jesus Jun 21, 2004 add a video
3. Coffin Nail
A death metal band from Mississippi whose sound has progressed to include deathcore and Gothenburg influences. They are currently playing gigs and are in the process of recording their first full length demo album, Cryptcrawler.
Man, I can't wait to see Coffin Nail break it down this weekend! My ears are gonna bleed!
4. Coffin Nail
A child who causes a parent so much grief and pain that he or she will send the parent to the grave soon. It is used by some Chinese parents to scold their disobedient or wayward kids.
I told you a thousand times, stop going out with that boy. How on earth did your mother give birth to a coffin nail like you?
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