Shallow pate.  A simple fellow.

Shallow.  A whip hat, so called from the want of depth
  in the crown.  Lilly shallow, a white Whip hat.

Sham.  A cheat, or trick.  To cut a sham; to cheat or deceive. 
  Shams; false sleeves to put on over a dirty shirt, or
  false sleeves with ruffles to put over a plain one.  To sham
  Abram; to counterfeit sickness.

To shamble.  To walk awkwardly.  Shamble-legged: 
  one that walks wide, and shuffles about his feet.

Shanker.  A venereal wart.

Shanks.  Legs, or gams.

Shanks naggy.  To ride shanks naggy:  to travel on foot. 
  Scotch.

Shannon.  A river in Ireland:  persons dipped in that river
  are perfectly and for ever cured of bashfulness.

Shapes.  To shew one’s shapes; to be stript, or made peel,
  at the whipping-post.

SHAPPO, or SHAP.  A hat:  corruption of chapeau.  Cant.

Shark.  A sharper:  perhaps from his preying upon any
  one he can lay hold of.  Also a custom-house officer, or
  tide-waiter.  Sharks; the first order of pickpockets.  Bow-
  street term, A.D. 1785.

Sharp.  Subtle, acute, quick-witted; also a sharper or
  cheat, in opposition to a flat, dupe, or gull.  Sharp’s the
  word and quick’s the motion with him; said of any one
  very attentive to his own interest, and apt to take all
  advantages.  Sharp set; hungry.

Sharper.  A cheat, one that lives by his wits.  Sharpers
  tools; a fool and false dice.

Shaver.  A cunning shaver; a subtle fellow, one who
  trims close, an acute cheat.  A young shaver; a boy. 
  Sea term.

Shavings.  The clippings of money.

She house.  A house where the wife rules, or, as the term
  is, wears the breeches.

She lion.  A shilling.

She napper.  A woman thief-catcher; also a bawd or pimp.

SHEEP’S head.  Like a sheep’s head, all jaw; saying of a
  talkative man or woman.

Sheepish.  Bashful.  A sheepish fellow; a bashful or
  shamefaced fellow.  To cast a sheep’s eye at any thing;
  to look wishfully at it.

Sheepskin fiddler.  A drummer.

Shelf.  On the shelf, i.e. pawned.

Sheriff’s journeyman.  The hangman.

Sheriff’s ball.  An execution.  To dance at the sheriff’s
  ball, and loll out one’s tongue at the company; to be
  hanged, or go to rest in a horse’s night-cap, i.e. a halter.

Sheriff’s bracelets.  Handcuffs.

Sheriff’s hotel.  A prison.