NlCKNACKATORY.  A toyshop.

NICKUMPOOP, or NINCUMPOOP.  A foolish fellow; also
  one who never saw his wife’s ****.

NIFFYNAFFY fellow.  A trifler.

NIG.  The clippings of money.  Nigging; clipping.  Nigler,
  a clipper.  Cant.

Niggling.  Cutting awkwardly, trifling; also accompanying
  with a woman.

Night magistrate.  A constable.

Nightingale.  A soldier who, as the term is, sings out
  at the halberts.  It is a point of honour in some
  regiments, among the grenadiers, never to cry out,
  become nightingales, whilst under the discipline of the
  cat of nine tails; to avoid which, they chew a bullet.

NIGHTMAN.  One whose business it is to empty necessary
  houses in London, which is always done in the night; the
  operation is called a wedding.  See wedding.

NIGMENOG.  A very silly fellow.

To Nim.  To steal or pilfer:  from the German nemen, to
  take.  Nim a togeman; steal a cloak.

NIMGIMMER.  A physician or surgeon, particularly those
  who cure the venereal disease.

Nine lives.  Cats are said to have nine lives, and women
  ten cats lives.

Ninny, or ninnyhammer.  A simpleton.

Nip.  A cheat.  Bung nipper; a cutpurse.

Nip cheese.  A nick name for the purser of a ship:  from
  those gentlemen being supposed sometimes to nip, or
  diminish, the allowance of the seamen, in that and every
  other article.  It is also applied to stingy persons in
  general.

NIPPERKIN.  A small measure.

Nipps.  The sheers used in clipping money.

Nit SQUEEGER, i.e.  squeezer.  A hair-dresser.

Nix.  Nothing.

No catchy no HAVY.  If I am not caught, I cannot be hurt. 
  Negro saying.

Nob.  A king.  A man of rank.

Nob.  The head.

NOBTHATCHER.  A peruke-maker.

Nock.  The breech; from Nock, a notch.

NOCKY boy.  A dull simple fellow.

Nod.  He is gone to the land of nod; he is asleep.

Noddle.  The head.

Noddy.  A simpleton or fool.  Also a kind of low cart,
  with a seat before it for the driver, used in and about
  Dublin, in the manner of a hackney coach:  the fare is
  just half that of a coach, for the same distance; so
  that for sixpence one may have a set down, as it is
  called, of a mile and half, and frequently a tumble
  down into the bargain:  it is called a noddy from the
  nutation of its head.  Knave noddy; the old-fashioned
  name for the knave of trumps.

Noisy dog racket.  Stealing brass knockers from doors.