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8.
A collective sub-culture of 'deadicated' fans of the American psychedelic/jam/rock band the Grateful Dead.
Look at all the traffic, Jill. Oh, there's that festival this weekend. Must be all the deadheads passing through.
by leshtricity September 07, 2008
 
9.
One who has become numb to emotions, usually after being jaded for so long. Trusts no one, has friends but doesn't connect with them. A misanthrope
Damn after breaking up with that bitch jenna, jimmy has been such a dead head.. poor guy.
by Darkronix August 20, 2012
 
10.
Those who forget alot cuz there brain aint workin to keep memory
Dora can never remember to turn around to find stuff. what a dead head.
by DJ Showdown May 19, 2010
 
11.
1. a fan of Jerry Garcia, The Grateful Dead
2. a river snag of tree &/or log &/or large flotsam
3. a useless person on staff
4. verb & noun) a toll vehicle(taxi, bus, train, truck(lorry/semi) travelling empty (noun: such trip)
Rick, that deadhead(3) in the mailroom is a deadhead(1)

John had a deadhead(4) trip after dropping off a load of lumber -- while deadheading(4) back he saw a major deadhead(2) in the river stuck in a boat's props, so he phoned the coast guard!
 
12.
Dead Head or Dead headedness occurs when one in so redundant in heart mind and soul that all they do is scour the dump sites of the internet..spending their days 'being a computer whizz' ..hitting up the porn sites and lady sites to score some action when in reality they are dead heads..who try to sound and come off like they have their shit together when in reality they really do suck at life and always have the same girl problems..the kind of guy who has been a dater since he was like 9..you know that guy who always has a girlfriend??and always talks shit,has a ton of issues and makes up crap to u and says stuff like its not my fault..
fast forward ten years later he is still a dead head doing the same things since he was fifteen being an immature evil motherfucking asshole in life..acts up on all the fake emo but we know what he is really about..doesn't care about real issues..would never devote a whole 72 hours to one site..and you could say the same in life ..lack of dedication and chanelling engeries means he sucks for life and is just another porn hoarder with a new std to bring to the mating pool..
a talentless hack
a jerk off
a porn hoarder
loser

stds
who always lies about how many girls hes had ..hes had TONS ..but he wont tell u that he will sit his lying ass down and say hes had like two and ur his ....thrid gf..
a total liar,who will say anything to you,doesnt care about ur friends or how u fell,he is just a piece of shit scum dead head

tries to appear like he has other interests wen really all he does is watch porn,p2p and kids naked..

is a total jerk

will be doing the same shit when he is 42..

future wife beater..
by WARTNERRRRRRRRRRRRRRRRRRRRRRRR October 19, 2010
 
13.
when you shit and the turd reaches from the bottom of the bowl and sticks out of the water. like a dead head on a lake
mike made a dookie, it was a dead head , then he wiped and made a whitecap
by longhairedwizardwithlazyeye February 11, 2010
 
14.
A piece of wood that is infested with termites.
The wood is deadhead and is of no use.
by Perberry January 21, 2011