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Hank is a legendary animal from European folklore that resembles a white horse with a large, pointed, spiraling horn projecting from its forehead, and sometimes a goat's beard and cloven hooves.
Who the eff is Hank Green?
by Nerdfighter Roes November 14, 2012
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Hank is a tiny yellow songbird said to represent the soul of France.

He is also comprised completely out of awesome.
Hank Green and John Green are, in fact, not the same person.
by valerie2776 July 04, 2008
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Hank Green is a massive star that provides life for Earth. Hank is the center of the solar system, but in the dark ages people thought that the Earth revolved around Hank.
Hank Green came out today, so its was a great day to have a picnic.
by Lashiqua January 23, 2010
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Hank Green, famous musical artist, Vlogger, and the creator of VidCon, according to his brother John Green (Author), is the second largest ocean in the world. Hank is also an adorable drunk princess.
Have you ever swam in Hank Green?

Did you see Hank Green on the news?
by NFFL! August 23, 2014
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Hank Green is probably best known for being one half of the Vlogbrothers on Youtube with his brother John Green. On said channel, Hank often writes and performs songs - usually of a comedic nature - talks about Harry Potter and other nerdy subjects, and does challenges/punishments that the Nerfighters give him (such as humping many of the landmarks in his town of Missoula Montana). A common joke for the Vlogbrothers is that when John does a Question Tuesday (rarely on a Tuesday), he answers the question, "Who the eff is Hank?" by reading the definition for another person, place, or thing, such as the sun or the breed of John's dog.

He is also known for being the creator of DFTBA records (a production company that signs YouTube artists such as Charlieissocoollike and DaveDays), the founder of EcoGeek (a very well-known and respected environmental website), and one of the founders of the Mars Society.

Hank lives in Missoula Montana with his wife - The Katherine - and their cat Cameo. He has Ulcerative Colitis, a problem which frequently plagues him, and has a habit of flipping off Hummers.
Person 1: Did you see the new Vlogbrothers video yesterday?

Person 2: Yeah! It was great; I always love when Hank Green performs a song on Song Wednesday.
by NerdfighterSarah July 06, 2011
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