Posse MOBILITATIS.  The mob.

Post master general.  The prime minister, who has
  the patronage of all posts and places.

Post NOINTER.  A house painter, who occasionally paints
  or anoints posts.  Knight of the post; a false evidence,
  one ready to swear any thing for hire.  From post to
  pillar; backwards and forwards.

Postilion of the gospel.  A parson who hurries over the
  service.

Pot.  The pot calls the kettle black a-se; one rogue
  exclaims against another.

Pot.  On the pot; i.e. at stool.

Pot converts.  Proselytes to the Romish church, made
  by the distribution of victuals and money.

Pot hunter.  One who hunts more tor the sake of the
  prey than the sport.  Pot valiant; courageous from drink. 
  Potwallopers:  persons entitled to vote in certain
  boroughs by having boiled a pot there.

Potatoe trap.  The mouth.  Shut your potatoe trap and
  give your tongue a holiday; i.e. be silent.  Irish wit.

POTHOOKS and HANGEKS.  A scrawl, bad writing.

Pot-WABBLERS.  Persons entitled to vote for members of
  parliament in certain boroughs, from having boiled their
  pots therein.  These boroughs are called pot-wabbling
  boroughs.

POULAIN.  A bubo.  French.

Poulterer.  A person that guts letters; i.e. opens them
  and secretes the money.  The kiddey was topped for the
  poultry rig; the young fellow was hanged for secreting
  a letter and taking out the contents.

Pound.  To beat.  How the milling cove pounded the cull
  for being nuts on his blowen; how the boxer beat the fellow
  for taking liberties with his mistress.

Pound.  A prison.  See Lob’s pound.  Pounded; imprisoned. 
  Shut up in the parson’s pound; married.  Powder

Powder monkey.  A boy on board a ship of war, whose
  business is to fetch powder from the magazine.

Powdering tub.  The same as pickling tub.  See
  pickling tub.

PRAD lay.  Cutting bags from behind horses.  Cant.

PRAD.  A horse.  The swell flashes a rum prad:  the
  e gentleman sports a fine horse.

Prancer.  A horse.  Prancer’s nab.; a horse’s head, used
  as a seal to a counterfeit pass.  At the sign of the prancer’s
  poll, i.e. the nag’s head.

Prate roast. A talkative boy.

Prating cheat.  The tongue.

Pratts.  Buttocks; also a tinder box.  Cant.

Prattle broth.  Tea.  See chatter broth, scandal
 broth, &c.