- beau monde
- bacchanal
- biological urge
- blot on one's escutcheon
- be unsure of
- be prejudicial to
- bite someone's head off
- bye-byes
- bazoo
- babe in arms
- be gone from
- broiling
- by a long way
- be consonant with
- buttering up
- be piqued
- breach of the peace
- bewitched by
- beady-eyed
- beads necklace
- bendy
- be clued up on
- be in a brown study
- beat one's breast
- bear it
- butter up
- breach of trust
- benefaction
- be mangy
- big hand
- bring up the rear
- because of this
- bonking
- blasé
- blubbing
- billy
- blend in with
- billy club
- brick-a-brac
- balsam
- be a disaster
- barrel of laughs
- bring discredit to
- black mark
- baking
- blowhard
- bang up
- bitzer
- bite off more than one can chew
- bring to the fore
- be mad on
- because of that
- be of help to
- bagmen
- bellyful
- be dumbfounded
- blood-thirsty
- boss man
- busty
- brass tacks
- button your lip
- be playing up
- baldy
- botched
- baloney
- bish
- be deep in thought
- buckle to
- be prolific in
- by the shedload
- blow-in
- belly laugh
- bitching
- be at leisure
- be hot under the collar
- bone dry
- be wild about
- breadbasket
- by the side of
- blubbering
- beyond the black stump
- bitch up
- be sure of
- bums on seats
- be giving up the ghost
- bat
- bate
- brood on
- boscage
- bring into play
- be smitten with
- bring on
- big cheese
- brogue
- be efficacious
- behind bars
- be wild
- be eager
- burr in someone's saddle
- bristle with