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2.
To have a sleep so deep that one is almost unconscious. A nap.
Pete had a tough day so he's going to have a deadman
by I AMKotep July 19, 2013
 
1.
One who is as good as dead.
You're a dead man, yo.
by Kung-Fu Jesus April 25, 2004
 
3.
1. The Vong
2. A person in the Lord of the Rings tabletop strategy game.
Dead Man's dead!
by TGKF April 23, 2003
 
4.
a phrase you shout when your with a lot of people and while getting out of a seat that you want empty when you come back. this word automatically makes you safe from getting your seat stolen.
(as ricky got out of his seat to grab a drink he shouted): Deadman!
by Rickyyyyy May 23, 2007
 
5.
first there was the zombie. The zombie grew weary, and nearly fell to dust. However, new light shone, and he was reincarnated as gravebane. Then the call of eternal slumber was too much for gravebane, but he left behind his knowledge in a being called deadman.

Deadman is the nickname of a person also frequently known as gravebane or gravebanezombie. He frequents eris-free irc network and is very helpful.
I talked to deadman the other day... the Halo party is on saturday night.
by Gravebane June 20, 2004