Smoking a cigarette. Smoking is considered deadly, so each cigarette is another nail in the coffin.
I'm gonna light up and put another nail in the coffin.
by MBX143 August 11, 2009
(n.) Activity that contributes to an early death
The decision to take up smoking is another nail in the coffin.
by Kung-Fu Jesus June 21, 2004
when someone says something confirming your doubts.
when he said she was going to fail the class, she finally decided to give up and not go.
by digi148 January 11, 2005