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 Battyguy July 19, 2013
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A complete moron, who doesn't have a clue unless it involves shrimping some Rupert Grint haired blar arse! When deadman talks it makes you feel like getting a wet trout and slapping it around his chops to make his breath smell better! small deadman are more tolerable. But still annoying!
OMG he's such a deadman!
This deadman makes my brain hurt!
by The God Of The Gods May 23, 2018
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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
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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
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An anime/manga series set a few years after a severe earthquake in Japan. A floating man in a red suit comes into a high school classroom and kills all the students except for one, Ganta Igarashi. Ganta is accused of murdering all his classmates and sent to an amusement park-like prison called Deadman Wonderland, aka the most twisted prison in the world. Prisoners are forced to battle each other on live TV, have body parts removed, etc. While at the prison, Ganta discovers his "Branch of Sin," the ability to manipulate his own blood. As he learns more about this ability, he starts to realize he may finally break free, and get revenge on the Red Man that murdered his friends.
Person 1: "Have you seen Deadman Wonderland?"
Person 2: "Yes! It's so awesome and intense! I feel so bad for poor Ganta though!"
by AnimeRat September 17, 2013
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The act of a man edging for a 90 day period in order to release a nut so incredibly large it could lead to dehydration, seizures, cardiac arrest, or even death. The production is so vast and volatile that others within the “splash zone “ are often left with lasting mental and physical trauma. Although warned of the possible horrors, many men still attempt the “Vikings Deed” to this very day. Legend has it that every US president is the direct product of insemination via a Deadman’s Nut.
I heard Big Jon is the 75th day of the Deadman’s Nut, I hope Cait gets her Frog Toggs in time
by StatDaddy April 21, 2020
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Seriously. I can't tell the difference between Theory of a Deadman and Nickelback. What the fuck is with all these shitty rock bands that sound like each other?
by C-Mills January 20, 2010
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