A signature. Derives from John Hancock's signature, which was written in large letters, on the Declaration of Independence.
Could you please put your John Hancock on this form so that I can turn it in?
by rieux November 29, 2003
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(n.) American shipping magnate and possible smuggler who became famous for his role in the American Revolution. He served as President of the Second Continental Congress, was famously a signatory to the Declaration of Independence, and later became the first post colonial governor of Massachusetts. In addition to these accomplishments, Hancock was a prolific author on the subject of masturbation. He wrote several authoritative treatises on the matter (several of which were banned on the orders of George Washington), and famously challenged the widely-held opinion of his fellow Founding Father, Dr. Benjamin Rush, that masturbation caused blindness and hairy palms.
John Hancock was one of America's most illustrious founding fathers and early sex educators.
by Dylan *@*@DaShizz@*@* July 30, 2009
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One's singnature(John Hancock was the first to sign the Declaration of Independence.)
All checks must have your John Hancock to prove that you wrote them.
by Light Joker May 22, 2005
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When a man sticks his penis in ink and swipes it on another person's face.
After i sign this document, can I give you my John Hancock?
by Wccpubman February 9, 2011
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When a man is about to ejaculate during sexual intercourse, he pulls out, and shoots his semen on the belly of his partner. He then dips his pinkie in the "ink well" (his partner's belly button) and signs his name. For additional flair the man may extend the fingers on his signing hand to simulate the feather on a quill.
"He gave her his John Hancock. He even dotted his I's and crossed his T's."
by JackKirgen August 29, 2011
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The act of of cumming on your partner's back during sexual intercourse, then signing it with a sharpie.
Last night I gave Jane the ol' John Hancock.
by Nav23 March 31, 2011
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The act of dipping one's penis in ink or paint and then slapping someone in the face with the inked/painted penis and leaving one's mark.
Jason: Haha, look at Joey.
Brendan: I know, Derek gave him a nice John Hancock last night.
by It's Poop Again August 10, 2011
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