B is for Bordeaux

superior red wine
made of cabernet grapes
that mature on the vine

Banquo
blue stellar object
beach bunny
bowser bag
belles-lettres
billet-deux
Bardolph
Belmerino (Lord Belmerino was beheaded, but the executioner at the first stroke cut only half his neck and his lordship turned around and grinned at the bungler.)
Baga de Secretis
Beggar's Bush
Bawtry
black book
baize
barrel fever
breviary
bagatelle
burn artist-- narcotics seller who cheats his customers
biretta
bardolater
bathize - baptize by total immersion
bibliosnitch - book stealer
beltline
buncombe
BCD - binary coded decimal
Bozonian