Slang.  A fetter.  Double slanged; double ironed.  Now
  double slanged into the cells for a crop he is knocked
  down; he is double ironed in the condemned cells, and
  ordered to be hanged.

Slang.  Cant language.

Slap-bang shop.  A petty cook’s shop, where there is
  no credit given, but what is had must be paid down
  with the ready slap-bang, i.e. immediately.  This is a
  common appellation for a night cellar frequented by
  thieves, and sometimes for a stage coach or caravan.

Slapdash.  Immediately, instantly, suddenly.

Slasher.  A bullying, riotous fellow.  Irish.

Slat.  Half a crown.  Cant.

Slate.  A sheet.  Cant.

SLATER’S pan.  The gaol at Kingston in Jamaica:  Slater
  is the deputy Provost-marshal.

Slattern.  A woman sluttishly negligent in her dress.

Sleeping partner.  A partner in a trade, or shop, who
  lends his name and money, for which he receives a share
  of the profit, without doing any part of the business.

Sleepy.  Much worn:  the cloth of your coat must be extremely
  sleepy, for it has not had a nap this long time.

Sleeveless errand.  A fool’s errand, in search of what
  it is impossible to find.

Slice.  To take a slice; to intrigue, particularly with a
  married woman, because a slice off a cut loaf is not missed.

SLIPGIBBET.  See SCAPEGALLOWS.

Slippery chap.  One on whom there can be no dependance,
  a shuffling fellow.

SLIPSLOPS.  Tea, water-gruel, or any innocent beverage
  taken medicinally.

SLIPSLOPPING.  Misnaming and misapplying any hard
  word; from the character of Mrs. Slipslop, in Fielding’s
  Joseph Andrews.

Slop.  Tea.  How the blowens lush the slop.  How the
  wenches drink tea!

Slops.  Wearing apparel and bedding used by seamen.

Slop seller.  A dealer in those articles, who keeps a
  slop shop.

Slouch.  A stooping gait, a negligent slovenly fellow. 
  To slouch; to hang down one’s head.  A slouched hat: 
  a hat whose brims are let down.

Slubber de Gullion.  A dirty nasty fellow.

Slug.  A piece of lead of any shape, to be fired from a
  blunderbuss.  To fire a slug; to drink a dram.

Slug-A-bed. A drone, one that cannot rise in the morning.

Sluice your gob.  Take a hearty drink.

Slur.  To slur, is a method of cheating at dice:  also to
  cast a reflection on any one’s character, to scandalize.

Slush.  Greasy dish-water, or the skimmings of a pot
  where fat meat has been boiled.