SOW’S baby.  A sucking pig.

Sow child.  A female child.

SPADO.  A sword.  Spanish.

Spangle.  A seven shilling piece.

Spank. (Whip) To run neatly along, beteeen a trot and
  gallop.  The tits spanked it to town; the horses went
  merrily along all the way to town.

Spanish.  The spanish; ready money.

Spanish coin.  Fair words and compliments.

Spanish faggot.  The sun.

Spanish gout.  The pox.

Spanish padlock.  A kind of girdle contrived by jealous
  husbands of that nation, to secure the chastity of their
  wives.

Spanish, or king of Spain’s trumpeter.  An ass
  when braying.

Spanish worm.  A nail:  so called by carpenters when they
  meet with one in a board they are sawing.

Spanks, or SPANKERS.  Money; also blows with the open
  hand.

Spanking.  Large.

Spark.  A spruce, trim, or smart fellow.  A man that is
  always thirsty, is said to have a spark in his throat.

Sparkish.  Fine, gay.

Sparking blows.  Blows given by cocks before they close,
  or, as the term is, mouth it:  used figuratively for words
  previous to a quarrel.

Sparrow.  Mumbling a sparrow; a cruel sport frequently
  practised at wakes and fairs:  for a small premium, a booby
  having his hands tied behind him, has the wing of a cock
  sparrow put into his mouth:  with this hold, without any
  other assistance than the motion of his lips, he is to get the
  sparrow’s head into his mouth:  on attempting to do it, the
  bird defends itself surprisingly, frequently pecking the
  mumbler till his lips are covered with blood, and he is
  obliged to desist:  to prevent the bird from getting away, he
  is fastened by a string to a button of the booby’s coat.

Sparrow-mouthed. Wide-mouthed, like the mouth of a
  sparrow:  it is said of such persons, that they do not hold
  their mouths by lease, but have it from year to year; i.e.
  from ear to ear.  One whose mouth cannot be enlarged
  without removing their ears, and who when they yawn
  have their heads half off.

SPATCH cock. [Abbreviation of dispatch cock.] A hen just
  killed from the roost, or yard, and immediately skinned,
  split, and broiled:  an Irish dish upon any sudden occasion.

To speak with.  To rob.  I spoke with the cull on the
  cherry-coloured prancer; I robbed the man on the black
  horse.  Cant.

Speak.  Any thing stolen.  He has made a good speak; he
  has stolen something considerable.