When a male ejaculates on a female's body spelling out his name in the process
Rich John Hancocked his girlfriend Becky in the coat room last night
by Jackalope Joe August 25, 2007
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To be "John Handcocked" is to have a man ejaculate into his hand - and with the semen still pooled in his hand - slap an individual across the face. The name derives from the man's proverbial "ink" which spouts from his "pen." He then claims what is rightfully his by marking his territory.

This is most appropriate at Ugly Sweater Christmas Parties, or when a prostitute gets out of line. Especially applicable to any girls that may own a California Tan boutique and hail from Appalachia.
Kristen: "Oh my god, you'll never believe what Paul did last night!"

Sarah: "What?"

Kristen: "He nutted in his hand and slapped me across the face with it!"

Sarah: "Oh fuck, Nathan has John Hancocked me all the time, it's not a big deal, he's just claiming what is his."
by Ugly Sweater December 11, 2010
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When you are having sex, you pull out to cum on your partners face then proceed to sign your name on their forehead so your partner knows who you are after you leave.
I gave that bitch The John Hancock before I left, so she knows my name tomorrow.

Dude, I went home with that hose beast last night from the bar and gave her The John Hancock, but I signed your name! You no talent ass clown!
by Jones Bitch! November 16, 2006
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One shizza guy. He signed the Decleration of Independence first. He totally owned the other founding fathers.
If I live in the 1700's I would so go clubbing with John Hancock.
by Shizzlator June 8, 2005
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when your getting on with your woman while she is on her period you pull out and try and write your name with the blood and dab it back in if you need more ink to print your name on her sheets to sign that you were there
i did the john hancock with lindsay and i had to put it back in a few times to spell my full name
by The king Friday September 18, 2013
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when you pull out during anal sex and sign your name on their back with your poopy dick.
Don: You feel so good inside my ass....lets do this tomorrow...actually, lets get tatoos together.
Steve: I love you too, so for now I will just give you the john hancock.
Don: What is that?
Steve: Its when I sign your back.
Don: With what?
Steve: My dick.
Don: thats kinky. uh ah uh ah.....dont hurt me.
by pbrgirl September 23, 2005
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A place where the rednecks and chaw boys go to school maybe some whores but who cares. The bathrooms don’t work nor does the ceiling keep water out. Piece of shit place
John Hancock Academy is the worst school in America
by Leroy Gibbs Sr. December 13, 2018
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