Bobtail, a lewd woman, or prostitute
Bobbery, a disturbance, a row
Bobbish, tol lol, pretty well in health
Body bag, a shirt
Body snatchers, bailiffs, police officers
Boggy, kiddy, covey
Bog trotters, lower orders of Irishmen
Bogey, old Nick, the devil
Bolt the moon, to cheat the landlord by taking the goods away in the night, without paying the rent
Bolt, cut, go, make yourself scarce