Green’s Dictionary of Slang

(UK Und.) a hangman.

1719

A. Smith Lives of Most Notorious Highway-men, etc. (1926) 596: The Wit [that’s to say, Newgate] be burnt. The fluffing cull [that’s to say, the Hangman] be damn’d. The nubbing Chit [that’s to say, the Gallows or Tyburn] be cursed.