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TED-hed -- noun
A TEDhead person who is an enthusiast of the multidisciplinary lecture series hosted by the nonprofit TED Conferences, LLC ("TED" being short for "Technology, Education, Design"). Taken to extremes, this enthusiasm can lead to someone becoming more than a simple fan or academic, exhibiting some of the negative qualities of a snob, cultist, or otaku.
I watched three lectures before breakfast - one on spider silk genetics, one on using video games to teach, and one on OLPC. I've become a TEDhead!

You can't even talk to Sharon anymore; she's become such a damned TEDhead. She cornered me in the break room and talked to me about micro-financing in the Third World or some shit for FIFTEEN MINUTES!
TEDhead by salvagebar December 15, 2011
Related Words
Beat slang for someone who smokes a lot of marijuana.
The Mexican jooks were full of teaheads in those days.
teahead by 23skidoo January 22, 2009
A fan of Teddy Geiger. Most likely deprived from the name for fans of the band The Greatful Dead (Deadheads). They are usually head over heels in love with him and take pride in being called this name.
Girl- OMG I LOVE TEDDY GEIGER SOOOOOOOO MUCH!!!!!
Boy- Your such a Tedhead.
Tedhead by Spennicus January 22, 2008
Extremely drunk.
A person who is very drunk.

White girl wasted.
She was a super teehead only after 2 shots.
teehead by Idgit June 6, 2018
a huge forehead. like, a REALLY FUCKIN HUGE forehead. 2x the size of a fivehead.
1: yo, look at that fivehead
2: dude thats a tenhead
tenhead by Charuzu July 11, 2022

Parasitic Tenhead Vampire 

A Parasitic Tenhead Vampire is self explanatory. But it is a Parasite which has a huge head is classified as a Vampire in the sense they suck you dry for everything you have to offer. In Samoa we call this a Dawn. This name was given since the suspicious parasite would likely appear after Dawn.
Did you see that? No what is it, that family had a Dawn! Oh no, I hope they get help! Yeah that Parasitic Tenhead Vampire needs to burn!