English

Noun

John Henry ‎(plural John Henrys)

1. (idiomatic) One's signature.
   • L. Ron Hubbard, Villainy Victorious: Mission Earth

     They stepped forward. Bury held a pen at them. “So if you fellows will just put your John Henrys on this document, it's all legal.” The two privates signed it.

See also

• John Hancock