1) When a problem is encured, this phrase is used to tell another person that the originator's needs are simply not possible/available and probably won't be in the near future.
2) To be doomed to misery in the near future
3) A term used to refer to a homosexual that engages in necrophelia.
1) "Dude, you know how you need that kidney? Well, you're looking at being a dead man's lover."
2) "I got drunk last night instead of studying for my Physics final, I'm a dead man's lover."