en
John Hancock
/dʒɑn ˈhæn.kɑk/
Definition
1
A person's signature, especially a handwritten one; derived from John Hancock's famously large and bold signature on the United States Declaration of Independence.
2
Informally, any distinctive personal mark or endorsement, often used humorously in legal or contractual contexts.
Examples
The contract was staring him down, so he grabbed the pen and slapped his John Hancock on it like a mic drop.
In a world of digital signatures, she still insists on her John Hancock – complete with loops bigger than her ego.
He promised to pay back the loan, but his John Hancock on the IOU looked like a seismograph during an earthquake.
Forget fingerprints; her John Hancock is so unique, it's basically a Rorschach test for lawyers.