1. English: from the Middle English personal name Hann + the hypocoristic suffix -cok, which was commonly added to personal names.
2. Dutch: from Middle Dutch hanecoc 'winkle', 'periwinkle' (a type of shellfish), probably a metonymic occupational name for someone who gathered and sold shellfish.
Source: Ancestry.com
The typical meaning for John Hancock is your signature. So when someone asks you for your "John Hancock" they are asking for your signature.
To sign your John Hancock is to sign your signature on something
it meant give me your signature
A signature, after John Hancock, who signed the Declaration of Independence with a somewhat over-elaborate and oversized monicker.
To sign your name or put your signature. This comes from the overly large signature that Hancock wrote on the declaration.
It means they want you to sign it.
"John Hancock" is presumably the problematic term in that phrase, the rest of it is pretty straightforward. "John Hancock" is slang for "signature", coming from the very prominent signature of John Hancock on the US Declaration of Independence. The John Hancock Life Insurance company had a commercial jingle featuring the line "put your John Hancock on the John Hancock".
Lynda Hancock married Mr Hancock
It just means that you sign it in large handwriting. John Hancock signed his name large enough for the king of England to read it without his spectacles on.
John Hancock (1737-1793) was president of the Second Continental Congress and therefore the first delegate to sign the Declaration of Independence. Today, when Americans say they are putting their "John Hancock" on something, they mean they are signing a document.
The address of the Hancock Historical Society is: Po Box 164, Hancock, MD 21750
john hancock jr. his son