Bartholomew baby.  A person dressed up in a tawdry
  manner, like the dolls or babies sold at Bartholomew fair.

Basket.  An exclamation frequently made use of in cock-pits,
  at cock-fightings, where persons refusing or unable
  to pay their losings, are adjudged by that respectable
  assembly to be put into a basket suspended over the pit, there
  to remain during that day’s diversion:  on the least demur
  to pay a bet, Basket is vociferated in terrorem.  He grins
  like a basket of chips:  a saying of one who is on the broad
  grin.

Basket-making.  The good old trade of basket-making;
  copulation, or making feet for children’s stockings.

Bastard.  The child of an unmarried woman.

Bastardly Gullion.  A bastard’s bastard.

To baste. To beat.  I’ll give him his bastings, I’ll beat
  him heartily.

Basting.  A beating.

BASTONADING.  Beating any one with a stick; from baton,
  a stick, formerly spelt baston.

Bat.  A low whore:  so called from moving out like bats in
  the dusk of the evening.

Batch.  We had a pretty batch of it last night; we had a
  hearty dose of liquor.  Batch originally means the whole
  quantity of bread baked at one time in an oven.

BATTNER.  An ox:  beef being apt to batten or fatten those
  that eat it.  The cove has hushed the battner; i.e. has
  killed the ox.

BATCHELOR’S fare.  Bread and cheese and kisses.

BATCHELOR’S son.  A bastard.

Battle-royal.  A battle or bout at cudgels or fisty-cuffs,
  wherein more than two persons are engaged:  perhaps from
  its resemblance, in that particular, to more serious
  engagements fought to settle royal disputes.

Bawbee.  A halfpenny.  Scotch.

BAWBELS, or bawbles.  Trinkets; a man’s testicles.

Bawd.  A female procuress.

Bawdy basket.  The twenty-third rank of canters, who
  carry pins, tape, ballads, and obscene books to sell, but live
  mostly by stealing.  Cant.

Bawdy-house bottle.  A very small bottle; short measure
  being among the many means used by the keepers of those
  houses, to gain what they call an honest livelihood:  indeed
  this is one of the least reprehensible; the less they give a
  man of their infernal beverages for his money, the kinder
  they behave to him.

Bay fever.  A term of ridicule applied to convicts, who
  sham illness, to avoid being sent to Botany Bay.

Bayard of ten toes.  To ride bayard of ten toes, is to
  walk on foot.  Bayard was a horse famous in old romances,

Beak.  A justice of-peace, or magistrate.  Also a judge or
  chairman who presides in court.  I clapp’d my peepers
  full of tears, and so the old beak set me free; I began to
  weep, and the judge set me free.