When you do something to your girl (like cheat on her) and you have to get one last fuck with her before she finds out and kicks you out.
Reference to: dead man walking, the name given to prisoners on death row right before they are executed
Oh man, I fucked up... I better start dead man fucking before Shelly finds out...
by BlaineRick March 24, 2015
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When you've reached the point of no return in terms of giving a dead mans last fuck. You simply do not care. There is not enough nihilism in the fucking world to describe the immensity of the fuck that you do not give.
by ConsensualRapist August 2, 2011
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