Simkin.  A foolish fellow.

Simon.  Sixpence.  Simple Simon:  a natural, a silly fellow;
  Simon Suck-egg, sold his wife for an addle duck-egg.

To simper.  To smile:  to simper like a firmity kettle.

Simpleton.  Abbreviation of simple Tony or Anthony, a
  foolish fellow.

Simples.  Physical herbs; also follies.  He must go to
  Battersea, to be cut for the simples—­Battersea is a place
  famous for its garden grounds, some of which were formerly
  appropriated to the growing of simples for apothecaries,
  who at a certain season used to go down to select their
  stock for the ensuing year, at which time the gardeners
  were said to cut their simples; whence it became
  a popular joke to advise young people to go to Battersea,
  at that time, to have their simples cut, or to be cut for
  the simples.

To sing.  To call out; the coves sing out beef; they call
  out stop thief.

To sing small.  To be humbled, confounded, or abashed,
  to have little or nothing to say for one’s-self.

Single peeper.  A person having but one eye.

Singleton.  A very foolish fellow; also a particular kind
  of nails.

Singleton.  A corkscrew, made by a famous cutler of
  that name, who lived in a place called Hell, in Dublin;
  his screws are remarkable for their excellent temper.

Sir John.  The old title for a country parson:  as Sir John
  of Wrotham, mentioned by Shakespeare.

Sir John barleycorn.  Strong beer.

Sir loin.  The sur, or upper loin.

Sir reverence.  Human excrement, a t—­d.

Sir Timothy.  One who, from a desire of being the head
  of the company, pays the reckoning, or, as the term is,
  stands squire.  See squire.

Sitting breeches.  One who stays late in company, is
  said to have his sitting breeches on, or that he will sit
  longer than a hen.

Six and eight-pence.  An attorney, whose fee on several
  occasions is fixed at that sum.

Six and tips.  Whisky and small beer.  Irish.

Sixes and sevens.  Left at sixes and sevens:  i.e. in
  confusion; commonly said of a room where the furniture,
  &c. is scattered about; or of a business left unsettled.

Size of ale.  Half a pint.  Size of bread and cheese; a
  certain quantity.  Sizings:  Cambridge term for the college
  allowance from the buttery, called at Oxford battles.

To size. (Cambridge) To sup at one’s own expence.  If a
  man asks you to sup, he treats you; if to size, you pay
  for what you eat—­liquors only being provided by the
  inviter.